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  <xsd:element name="IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" id="gsm_IfrsScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WeightedAverageSharesAbstract" id="gsm_WeightedAverageSharesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GeneralInformationAbstract" id="gsm_GeneralInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfOrganizationAndSubsidiariesAbstract" id="gsm_DisclosureOfOrganizationAndSubsidiariesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract" id="gsm_DisclosureOfBasisOfPresentationAndBasisOfConsolidationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfValuationAdjustmentsTableTextBlock" id="gsm_DisclosureOfValuationAdjustmentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock" id="gsm_DisclosureOfNonControllingInterestChangesExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock" id="gsm_DisclosureOfNonControllingInterestFinancialInformationExplanatoryTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrupoVillarMirSauMember" id="gsm_GrupoVillarMirSauMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfOutstandingSharesOwned" id="gsm_PercentageOfOutstandingSharesOwned" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ActuarialGainLossValuationAdjustment" id="gsm_ActuarialGainLossValuationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="HedgingInstrumentAndOtherValuationAdjustment" id="gsm_HedgingInstrumentAndOtherValuationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="QuebecSiliconLimitedPartnershipMember" id="gsm_QuebecSiliconLimitedPartnershipMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WvaManufacturingLlcMember" id="gsm_WvaManufacturingLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OperatingAgreementAdditionalCostPerMetricTon" id="gsm_OperatingAgreementAdditionalCostPerMetricTon" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PercentageMembershipInterestSold" id="gsm_PercentageMembershipInterestSold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfProductionOutputSold" id="gsm_PercentageOfProductionOutputSold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotesDue2022Member" id="gsm_SeniorNotesDue2022Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsLineOfCreditFacilityMaximumBorrowingCapacity" id="gsm_IfrsLineOfCreditFacilityMaximumBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" id="gsm_IfrsDebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract" id="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock" id="gsm_DisclosureOfRemunerationAndOtherBenefitsPaidToKeyManagementPersonnelTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="KeyManagementPersonnelCompensationFixedRemuneration" id="gsm_KeyManagementPersonnelCompensationFixedRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="KeyManagementPersonnelCompensationVariableRemuneration" id="gsm_KeyManagementPersonnelCompensationVariableRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies" id="gsm_KeyManagementPersonnelCompensationContributionsToPensionPlansAndInsurancePolicies" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="KeyManagementPersonnelLoansAndAdvancesGranted" id="gsm_KeyManagementPersonnelLoansAndAdvancesGranted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DisclosureOfDetailedInformationAboutBorrowingsByCurrencyTableTextBlock" id="gsm_DisclosureOfDetailedInformationAboutBorrowingsByCurrencyTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutNoncurrentBorrowingsByMaturityTableTextBlock" id="gsm_DisclosureOfDetailedInformationAboutNoncurrentBorrowingsByMaturityTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LaterThanFiveYearsAndNotLaterThanSixYearsMember" id="gsm_LaterThanFiveYearsAndNotLaterThanSixYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfLoanInstallmentsPayable" id="gsm_NumberOfLoanInstallmentsPayable" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfTradeAndOtherPayablesTableTextBlock" id="gsm_ScheduleOfTradeAndOtherPayablesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock" id="gsm_IfrsScheduleOfSegmentReportingInformationBySegmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TopTenCustomersMember" id="gsm_TopTenCustomersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfIncomeAndExpensesTextBlock" id="gsm_DisclosureOfIncomeAndExpensesTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EuropeanCountriesOtherThanSpainGermanyItalyMember" id="gsm_EuropeanCountriesOtherThanSpainGermanyItalyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock" id="gsm_DisclosureOfAssumptionsUsedInDeterminationOfRecoverableValueOfBusinessAcquisitionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureShowingBreakdownOfNonCurrentAndCurrentProvisionsTableTextBlock" id="gsm_DisclosureShowingBreakdownOfNonCurrentAndCurrentProvisionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureShowingChangesInProvisionsTableTextBlock" id="gsm_DisclosureShowingChangesInProvisionsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureShowingPercentageBreakdownOfPlanAssetsTableTextBlock" id="gsm_DisclosureShowingPercentageBreakdownOfPlanAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfBenefitObligationsAndFundedStatusTableTextBlock" id="gsm_DisclosureOfBenefitObligationsAndFundedStatusTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProvisionsForThirdPartyLiabilityMember" id="gsm_ProvisionsForThirdPartyLiabilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" id="gsm_IfrsDefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DefinedBenefitPlanInterestIncomeOnPlanAssets" id="gsm_DefinedBenefitPlanInterestIncomeOnPlanAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IfrsDefinedBenefitPlanBenefitsPaid" id="gsm_IfrsDefinedBenefitPlanBenefitsPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences" id="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToActuarialDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther" id="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract" id="gsm_ActuarialAssumptionsUsedToCalculateDefinedBenefitObligationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PostRetirementPlansMember" id="gsm_PostRetirementPlansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReconciliationOfBenefitObligationPlanAssetsAndFundedStatusAbstract" id="gsm_ReconciliationOfBenefitObligationPlanAssetsAndFundedStatusAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroPemSASMember" id="gsm_FerroPemSASMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceIncomeAbstract" id="gsm_FinanceIncomeAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceCostsAbstract" id="gsm_FinanceCostsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InterestExpenseOnNoteAndBillDiscounting" id="gsm_InterestExpenseOnNoteAndBillDiscounting" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PurchaseCommitments" id="gsm_PurchaseCommitments" type="dtr-types:energyItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DisclosureOfMajorityShareholdersTableTextBlock" id="gsm_DisclosureOfMajorityShareholdersTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorldOtherThanEuropeanAndUSMember" id="gsm_WorldOtherThanEuropeanAndUSMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="KeyManagementPersonnelCompensationOtherRemuneration" id="gsm_KeyManagementPersonnelCompensationOtherRemuneration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PurchaseCommitmentsAndCollateralAbstract" id="gsm_PurchaseCommitmentsAndCollateralAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsInventoryCurrentTable" id="gsm_IfrsInventoryCurrentTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfInventoryDisclosureLineItems" id="gsm_ScheduleOfInventoryDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EarningsPerShareNumeratorAbstract" id="gsm_EarningsPerShareNumeratorAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfDefinedBenefitPlans" id="gsm_NumberOfDefinedBenefitPlans" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock" id="gsm_DisclosureOfDetailedInformationAboutDebtInstrumentsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract" id="gsm_AdjustmentsToReconcileNetProfitLossToNetCashProvidedByOperatingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInWorkingCapitalAbstract" id="gsm_IncreaseDecreaseInWorkingCapitalAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OutflowsOfCashFromInvestingActivitiesAbstract" id="gsm_OutflowsOfCashFromInvestingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="InflowsOfCashFromInvestingActivitiesAbstract" id="gsm_InflowsOfCashFromInvestingActivitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract" id="gsm_CashFlowsFromUsedInIncreaseDecreaseInCurrentBorrowingsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentsInformationAbstract" id="gsm_DebtInstrumentsInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CoreMetalsGroupHoldingsLlcMember" id="gsm_CoreMetalsGroupHoldingsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GbgHoldingsLlcMember" id="gsm_GbgHoldingsLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GlobeMetallurgicalInc.Member" id="gsm_GlobeMetallurgicalInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GlobeMetalsEnterprisesInc.Member" id="gsm_GlobeMetalsEnterprisesInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GsmAlloysIiInc.Member" id="gsm_GsmAlloysIiInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GsmEnterprisesHoldingsInc.Member" id="gsm_GsmEnterprisesHoldingsInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WestVirginiaAlloysInc.Member" id="gsm_WestVirginiaAlloysInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerropemS.a.s.Member" id="gsm_FerropemS.a.s.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReboneMiningPty.Ltd.Member" id="gsm_ReboneMiningPty.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SiliconTechnologyPty.Ltd.Member" id="gsm_SiliconTechnologyPty.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ThabaChueuMiningPty.Ltd.Member" id="gsm_ThabaChueuMiningPty.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member" id="gsm_CuarzosIndustrialesDeVenezuelaCuarzovenS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmixS.a.s.Member" id="gsm_EmixS.a.s.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroatlanticaBrasilMineracaoLtda.Member" id="gsm_FerroatlanticaBrasilMineracaoLtda.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroatlanticaDeMexicoS.a.DeC.v.Member" id="gsm_FerroatlanticaDeMexicoS.a.DeC.v.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroatlanticaDeutschlandGmbhMember" id="gsm_FerroatlanticaDeutschlandGmbhMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerromanganeseMauritaniaSarlMember" id="gsm_FerromanganeseMauritaniaSarlMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroquartzMauritaniaSarlMember" id="gsm_FerroquartzMauritaniaSarlMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerrotambaoSarlMember" id="gsm_FerrotambaoSarlMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerrosolarRDSl.Member" id="gsm_FerrosolarRDSl.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember" id="gsm_MangshiFerroatlanticaMiningIndustryServiceCompanyltdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProportionOfDirectOwnershipInterestInSubsidiary" id="gsm_ProportionOfDirectOwnershipInterestInSubsidiary" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MedianComparatorGroupTotalShareholderReturnAtGrantDate" id="gsm_MedianComparatorGroupTotalShareholderReturnAtGrantDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TaxEffectFromOtherNonTaxableIncomeExpenses" id="gsm_TaxEffectFromOtherNonTaxableIncomeExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="TaxEffectFromAdjustmentsInRespectOfPriorPeriods" id="gsm_TaxEffectFromAdjustmentsInRespectOfPriorPeriods" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IfrsDesignatedAsHedgingInstrumentMember" id="gsm_IfrsDesignatedAsHedgingInstrumentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock" id="gsm_DisclosureOfInterestBearingFinancialLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetUndiscountedCashFlowsAbstract" id="gsm_NetUndiscountedCashFlowsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherOutflowsClassifiedAsFinancingActivities" id="gsm_OtherOutflowsClassifiedAsFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentsMember" id="gsm_DebtInstrumentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LoansFromGovernmentMember" id="gsm_LoansFromGovernmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfMaturityOfUndiscountedCashFlowsOfFinancialInstrumentsTableTextBlock" id="gsm_DisclosureOfMaturityOfUndiscountedCashFlowsOfFinancialInstrumentsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BorrowingsTermGracePeriod" id="gsm_BorrowingsTermGracePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage" id="gsm_ShareBasedPaymentsOptionsReceivableBasedOnCompanyPerformanceAsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TermOfServiceCondition" id="gsm_TermOfServiceCondition" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsIncomeStatementLocationAxis" id="gsm_IfrsIncomeStatementLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsIncomeStatementLocationDomain" id="gsm_IfrsIncomeStatementLocationDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ImpairmentNoncurrentFinancialAssets" id="gsm_ImpairmentNoncurrentFinancialAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CurrencyOtherThanUsdMember" id="gsm_CurrencyOtherThanUsdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherFinancialAssetsMember" id="gsm_OtherFinancialAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReceivablesFromRelatedPartiesMember" id="gsm_ReceivablesFromRelatedPartiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherReceivablesMember" id="gsm_OtherReceivablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProvisionsForCo2EmissionsAllowancesMember" id="gsm_ProvisionsForCo2EmissionsAllowancesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroglobePlcEquityIncentivePlanMember" id="gsm_FerroglobePlcEquityIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroglobeManganNorgeAndFerroglobeManganeseFranceMember" id="gsm_FerroglobeManganNorgeAndFerroglobeManganeseFranceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfClassificationOfFinancialAssetsTextBlock" id="gsm_DisclosureOfClassificationOfFinancialAssetsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RemunerationPayableNonCurrent" id="gsm_RemunerationPayableNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="CompanyTotalShareholderReturnAtGrantDate" id="gsm_CompanyTotalShareholderReturnAtGrantDate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedPaymentArrangementsGrantDateAxis" id="gsm_ShareBasedPaymentArrangementsGrantDateAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedPaymentArrangementsGrantDateMember" id="gsm_ShareBasedPaymentArrangementsGrantDateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantDate1Member" id="gsm_GrantDate1Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantDate2Member" id="gsm_GrantDate2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantDate5Member" id="gsm_GrantDate5Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnvironmentalRehabilitationMember" id="gsm_EnvironmentalRehabilitationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ArlServicesLlcMember" id="gsm_ArlServicesLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GsmEnterprisesLlcMember" id="gsm_GsmEnterprisesLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfYearsOpenToReview" id="gsm_NumberOfYearsOpenToReview" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits" id="gsm_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCredits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="QuebecSiliconGeneralPartnerMember" id="gsm_QuebecSiliconGeneralPartnerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroglobeManganNorgeAsMember" id="gsm_FerroglobeManganNorgeAsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroglobeManganeseFranceSasMember" id="gsm_FerroglobeManganeseFranceSasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="KintuckFranceSasMember" id="gsm_KintuckFranceSasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="KintuckAsMember" id="gsm_KintuckAsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NingxiaYonveyCoalIndustrialCo.Ltd.Member" id="gsm_NingxiaYonveyCoalIndustrialCo.Ltd.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SolsilInc.Member" id="gsm_SolsilInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UltracoreEnergySaMember" id="gsm_UltracoreEnergySaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroquartzHoldingsLtdHongKongMember" id="gsm_FerroquartzHoldingsLtdHongKongMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CurrentGovernmentGrantReceivables" id="gsm_CurrentGovernmentGrantReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="CashEquivalentsAndCashMember" id="gsm_CashEquivalentsAndCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MovementInLeaseLiabilitiesRollForward" id="gsm_MovementInLeaseLiabilitiesRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdditionToLeaseLiabilities" id="gsm_AdditionToLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LeaseLiabilitiesDisposalsAndOther" id="gsm_LeaseLiabilitiesDisposalsAndOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LeaseLiabilitiesGainLossOnCurrencyTranslation" id="gsm_LeaseLiabilitiesGainLossOnCurrencyTranslation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsOfInterestOnLeaseLiabilities" id="gsm_PaymentsOfInterestOnLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AssetBasedRevolvingCreditFacilityMember" id="gsm_AssetBasedRevolvingCreditFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroatlnticaDeVenezuelaFerrovenS.a.Member" id="gsm_FerroatlnticaDeVenezuelaFerrovenS.a.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseBalanceSheetDisclosureTableTextBlock" id="gsm_LeaseBalanceSheetDisclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseCashFlowInformationDisclosureTableTextBlock" id="gsm_LeaseCashFlowInformationDisclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LeaseOperationsInformationDisclosureTableTextBlock" id="gsm_LeaseOperationsInformationDisclosureTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfLeaseObligationsTableTextBlock" id="gsm_DisclosureOfLeaseObligationsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherLeasesMember" id="gsm_OtherLeasesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences" id="gsm_IncreaseDecreaseInDefinedBenefitPlanAssetsDueToExchangeDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="IfrsBalanceSheetLocationAxis" id="gsm_IfrsBalanceSheetLocationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsBalanceSheetLocationDomain" id="gsm_IfrsBalanceSheetLocationDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RestrictedCashMember" id="gsm_RestrictedCashMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashAndCashEquivalentsAndRestrictedCash" id="gsm_CashAndCashEquivalentsAndRestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="IfrsInventoryAxis" id="gsm_IfrsInventoryAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsInventoryDomain" id="gsm_IfrsInventoryDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsDebtInstrumentTerm" id="gsm_IfrsDebtInstrumentTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsScenarioAxis" id="gsm_IfrsScenarioAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IfrsScenarioDomain" id="gsm_IfrsScenarioDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherProvisionsProvisionsForTaxesMember" id="gsm_OtherProvisionsProvisionsForTaxesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfInterestOfSubsidiarySold" id="gsm_PercentageOfInterestOfSubsidiarySold" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FerroatlanticaS.a.u.Member" id="gsm_FerroatlanticaS.a.u.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodForContingentConsideration" id="gsm_PeriodForContingentConsideration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdjustmentsForFinanceIncomeExpense" id="gsm_AdjustmentsForFinanceIncomeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="GrantDate7Member" id="gsm_GrantDate7Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaximumCashConsiderationForFinancingFacility" id="gsm_MaximumCashConsiderationForFinancingFacility" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied" id="gsm_PercentageOfAccountsReceivableProvidedAsGuaranteeToAgentUntilPaymentHasBeenSatisfied" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfAnnualAgentFeeAppliedToRevenues" id="gsm_PercentageOfAnnualAgentFeeAppliedToRevenues" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BadDebtLossesNotCoveredByInsuranceProvider" id="gsm_BadDebtLossesNotCoveredByInsuranceProvider" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SupplierFactoringFacilityMember" id="gsm_SupplierFactoringFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryDifferenceTaxIncentivesAndCreditsMember" id="gsm_TemporaryDifferenceTaxIncentivesAndCreditsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryDifferenceTaxLossesMember" id="gsm_TemporaryDifferenceTaxLossesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrantDate8Member" id="gsm_GrantDate8Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisclosureOfImpactOfAdoptionOnFinancialStatements" id="gsm_DisclosureOfImpactOfAdoptionOnFinancialStatements" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfNetCashFlow" id="gsm_PercentageOfNetCashFlow" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StampTaxLitigationMember" id="gsm_StampTaxLitigationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EliminationsAndReconcilingItemsMember" id="gsm_EliminationsAndReconcilingItemsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset" id="gsm_IncreaseDecreaseThroughReclassificationsDeferredTaxLiabilityAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FinancialAssetsDepositsPeriod" id="gsm_FinancialAssetsDepositsPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ReindusLoanMember" id="gsm_ReindusLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherProvisionsForReclaimingLandMember" id="gsm_OtherProvisionsForReclaimingLandMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ManganeseAlloysEuropeSegmentMember" id="gsm_ManganeseAlloysEuropeSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SiliconMetalsAndSiliconAlloysEuropeSegmentMember" id="gsm_SiliconMetalsAndSiliconAlloysEuropeSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember" id="gsm_SiliconMetalsAndSiliconAlloysUnitedStatesSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SiliconMetalsAndAlloysNorthAmericanSegmentMember" id="gsm_SiliconMetalsAndAlloysNorthAmericanSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FerroglobeHoldingCompanyLtdMember" id="gsm_FerroglobeHoldingCompanyLtdMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FerroglobeFinanceCompanyPlcMember" id="gsm_FerroglobeFinanceCompanyPlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ManganeseAndSiliconAlloysEuropeSegmentMember" id="gsm_ManganeseAndSiliconAlloysEuropeSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PaymentsForDebtAndEquityIssuanceCosts" id="gsm_PaymentsForDebtAndEquityIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DocumentAndEntityInformationTable" id="gsm_DocumentAndEntityInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DocumentAndEntityInformationLineItems" id="gsm_DocumentAndEntityInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MineralReservesMember" id="gsm_MineralReservesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LeasedLandAndBuildingsMember" id="gsm_LeasedLandAndBuildingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LeasedLandAndMachineryMember" id="gsm_LeasedLandAndMachineryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PrincipalPaymentsOfLeaseLiabilities" id="gsm_PrincipalPaymentsOfLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SociedadEstatalDeParticipacionesIndustrialesLoanMember" id="gsm_SociedadEstatalDeParticipacionesIndustrialesLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LoanMaturingInFebruary2025Member" id="gsm_LoanMaturingInFebruary2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LoanMaturingInJune2025Member" id="gsm_LoanMaturingInJune2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestRateSpreadFirstYearMember" id="gsm_InterestRateSpreadFirstYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestRateSpreadSecondAndThirdYearsMember" id="gsm_InterestRateSpreadSecondAndThirdYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InterestRateSpreadFourthYearMember" id="gsm_InterestRateSpreadFourthYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LoanWithBnpParibasMember" id="gsm_LoanWithBnpParibasMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member" id="gsm_GrupoFerroatlnticaS.a.u.AndGrupoFerrotlanticaDeServiciosS.l.u.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TreasuryStock" id="gsm_TreasuryStock" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxisAxis" id="gsm_IfrsCollaborativeArrangementAndArrangementOtherThanCollaborativeAxisAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" id="gsm_CollaborativeArrangementAndArrangementOtherThanCollaborativeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis" id="gsm_IfrsCollaborativeArrangementsAndArrangementOtherThanCollaborativeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain" id="gsm_CollaborativeArrangementsAndArrangementOtherThanCollaborativeDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GrantDate9Member" id="gsm_GrantDate9Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BorrowingExchangePercentage" id="gsm_BorrowingExchangePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities" id="gsm_IncreaseDecreaseThroughInterestExpenseLiabilitiesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PaymentOfContingentConsideration" id="gsm_PaymentOfContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NumberOfHydroelectricPowerPlantsTransferred" id="gsm_NumberOfHydroelectricPowerPlantsTransferred" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock" id="gsm_ScheduleOfNoncurrentAssetsByGeographicalAreaTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EuropeanCountriesMember" id="gsm_EuropeanCountriesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DowSiliconesCorporationMember" id="gsm_DowSiliconesCorporationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock" id="gsm_DescriptionOfAccountingPolicyForRawMaterialsAndEnergyConsumptionForProductionPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage" id="gsm_DisclosureOfAggregateFairValueOfPlanAssetsAsPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="OtherObligationAbstract" id="gsm_OtherObligationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InflowsOutflowsFromOtherFinancingLiabilities" id="gsm_InflowsOutflowsFromOtherFinancingLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities" id="gsm_RepaymentsOfDebtInstrumentsClassifiedAsFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="NorthAmericaSiliconMetalSegmentMember" id="gsm_NorthAmericaSiliconMetalSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NorthAmericaSiliconAlloysSegmentMember" id="gsm_NorthAmericaSiliconAlloysSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EuropeSiliconAlloysSegmentMember" id="gsm_EuropeSiliconAlloysSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EuropeSiliconMetalSegmentMember" id="gsm_EuropeSiliconMetalSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SouthAfricaSiliconMetalSegmentMember" id="gsm_SouthAfricaSiliconMetalSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SouthAfricaSiliconAlloysSegmentMember" id="gsm_SouthAfricaSiliconAlloysSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SouthAfricaSiliconMetalAndAlloysSegmentMember" id="gsm_SouthAfricaSiliconMetalAndAlloysSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherDisclosuresTextBlock" id="gsm_OtherDisclosuresTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="OtherDisclosuresAbstract" id="gsm_OtherDisclosuresAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RestrictedNetAssetsOfSubsidiary" id="gsm_RestrictedNetAssetsOfSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IfrsDebtInstrumentRepurchaseAmount" id="gsm_IfrsDebtInstrumentRepurchaseAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IfrsDisposalGroupClassificationAxis" id="gsm_IfrsDisposalGroupClassificationAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IfrsDisposalGroupClassificationDomain" id="gsm_IfrsDisposalGroupClassificationDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EnergyaVmGestionDeLaEnergiaS.l.Member" id="gsm_EnergyaVmGestionDeLaEnergiaS.l.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PowerPurchaseAgreementMember" id="gsm_PowerPurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PeriodForCommencementOfOperationOfPlants" id="gsm_PeriodForCommencementOfOperationOfPlants" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="GrantDate10Member" id="gsm_GrantDate10Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfCumulativeEarningsBeforeInterestAndTax" id="gsm_PercentageOfCumulativeEarningsBeforeInterestAndTax" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="FacilitiesAxis" id="gsm_FacilitiesAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FacilitiesDomain" id="gsm_FacilitiesDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChateauFeuilletFacilityMember" id="gsm_ChateauFeuilletFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ProvisionForLitigationMember" id="gsm_ProvisionForLitigationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NewMarketsTaxCreditProgramMember" id="gsm_NewMarketsTaxCreditProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InvestmentInSelmaGlobeInvestmentFundLlcMember" id="gsm_InvestmentInSelmaGlobeInvestmentFundLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ReceivableServiceFeesPercentage" id="gsm_ReceivableServiceFeesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FinancingCostPercentage" id="gsm_FinancingCostPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="FinancingClosingFeesPercentage" id="gsm_FinancingClosingFeesPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" id="gsm_IfrsSecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EuriborMember" id="gsm_EuriborMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SiliconAlloysUnitedStatesSegmentMember" id="gsm_SiliconAlloysUnitedStatesSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SiliconMetalsUnitedStatesSegmentMember" id="gsm_SiliconMetalsUnitedStatesSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="InventoryWriteDownFinishedGoods" id="gsm_InventoryWriteDownFinishedGoods" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="InventoryWriteDownRawMaterials" id="gsm_InventoryWriteDownRawMaterials" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DeferredIncomeTaxValuationAdjustment" id="gsm_DeferredIncomeTaxValuationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DisclosureOfFinancialPositionOfParentCompanyOnlyAbstract" id="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfFinancialPositionOfParentCompanyOnlyTextBlock" id="gsm_DisclosureOfFinancialPositionOfParentCompanyOnlyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AnnualRenewalFeePercentage" id="gsm_AnnualRenewalFeePercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="OtherReservesDeficit" id="gsm_OtherReservesDeficit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock" id="gsm_DisclosureOfRawMaterialsAndEnergyConsumptionForProductionTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RawMaterialsSuppliesAndGoodAcquired" id="gsm_RawMaterialsSuppliesAndGoodAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherPurchases" id="gsm_OtherPurchases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="OtherOperatingIncomeFromCarbonDiOxide" id="gsm_OtherOperatingIncomeFromCarbonDiOxide" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AggregatePowerConsumption" id="gsm_AggregatePowerConsumption" type="dtr-types:energyItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan" id="gsm_PercentageOfOwnershipInterestCeasesToExistTriggersEarlyRepaymentOfLoan" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations" id="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature" id="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsOnCommercialNonFinancialNature" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors" id="gsm_DebtInstrumentThresholdAmountOfDefaultOnPaymentObligationsWithCreditors" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="RelatedPartyTransactionContractTerm" id="gsm_RelatedPartyTransactionContractTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RelatedPartyTransactionContractRenewalAdditionalExtensionTerm" id="gsm_RelatedPartyTransactionContractRenewalAdditionalExtensionTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="RelatedPartyTransactionContractTerminationNoticePeriod" id="gsm_RelatedPartyTransactionContractTerminationNoticePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfCashGeneratingUnits" id="gsm_NumberOfCashGeneratingUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CooperCreekPartnersManagementLlcMember" id="gsm_CooperCreekPartnersManagementLlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradeAndOtherReceivablesFromSubsidiaries" id="gsm_TradeAndOtherReceivablesFromSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ParentCompanyStatementTable" id="gsm_ParentCompanyStatementTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ParentCompanyStatementLineItems" id="gsm_ParentCompanyStatementLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ThresholdOfCapitalLeasesUnderDebtInstrument" id="gsm_ThresholdOfCapitalLeasesUnderDebtInstrument" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DebtCovenantMaximumFixedChargeRatio" id="gsm_DebtCovenantMaximumFixedChargeRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RestrictedCashAndCashEquivalentsInSubsidiaries" id="gsm_RestrictedCashAndCashEquivalentsInSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LongTermGrowthRateMember" id="gsm_LongTermGrowthRateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PurchasePriceAgreementsMember" id="gsm_PurchasePriceAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FixedEnergyPrice" id="gsm_FixedEnergyPrice" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="ContingentConsiderationInBusinessCombinationMember" id="gsm_ContingentConsiderationInBusinessCombinationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember" id="gsm_FerroglobePlcInterestInGroupoFerroatlanticaAndGrupoFerroatlanticaDeServiciosMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MiscellaneousNonCurrentOtherLeases" id="gsm_MiscellaneousNonCurrentOtherLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MiscellaneousCurrentOtherLeases" id="gsm_MiscellaneousCurrentOtherLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MiscellaneousCurrentAndNonCurrentOtherLeases" id="gsm_MiscellaneousCurrentAndNonCurrentOtherLeases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="LeasePayments" id="gsm_LeasePayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="InterestExpenseOnLeaseLiabilitiesSofp" id="gsm_InterestExpenseOnLeaseLiabilitiesSofp" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="SeniorSecuredNotesDueIn2025Member" id="gsm_SeniorSecuredNotesDueIn2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NotesInRestructuringMember" id="gsm_NotesInRestructuringMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="AccruedInterestOnSeniorNotesRepurchased." id="gsm_AccruedInterestOnSeniorNotesRepurchased." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PercentageOfReasonablyPossibleIncreaseInRiskAssumption." id="gsm_PercentageOfReasonablyPossibleIncreaseInRiskAssumption." type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" id="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain" id="gsm_PercentageOfReasonablyPossibleChangeInRiskAssumptionMemberDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOneMemberMember" id="gsm_PercentageOneMemberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MinistryMember" id="gsm_MinistryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BankInterMember" id="gsm_BankInterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BankOfMontrealMember" id="gsm_BankOfMontrealMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Fee" id="gsm_Fee" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="LoanWithInvestissementQuebecMember" id="gsm_LoanWithInvestissementQuebecMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CandaMember" id="gsm_CandaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RepaymentTermOfLoanAgreementWithInvestissementQuebec" id="gsm_RepaymentTermOfLoanAgreementWithInvestissementQuebec" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DeferralPeriodOnLoanAgreementWithInvestissementQuebec" id="gsm_DeferralPeriodOnLoanAgreementWithInvestissementQuebec" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember" id="gsm_LaterThanFifteenYearsAndNotLaterThanSixteenYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FerroglobeAdvancedMaterialsIiS.lMember" id="gsm_FerroglobeAdvancedMaterialsIiS.lMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FerroglobeDeParticipacionesS.l.uMember" id="gsm_FerroglobeDeParticipacionesS.l.uMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FerroglobeInnovationS.lMember" id="gsm_FerroglobeInnovationS.lMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock" id="gsm_DescriptionOfAccountingPolicyForCarbonDioxideEmissionAllowancesPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="GreenhouseGassesCo2Member" id="gsm_GreenhouseGassesCo2Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfImpairmentWriteDownsReversalsTextBlock" id="gsm_DisclosureOfImpairmentWriteDownsReversalsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
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  <xsd:element name="NumberOfKeyManagementPersonnel" id="gsm_NumberOfKeyManagementPersonnel" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PowerRiskMember" id="gsm_PowerRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EnergyConsumption" id="gsm_EnergyConsumption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="EnergyCostsOffsetFromBenefitReceived" id="gsm_EnergyCostsOffsetFromBenefitReceived" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GrantDate11Member" id="gsm_GrantDate11Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="OtherOperatingExpenseCarbonDioxideCredit" id="gsm_OtherOperatingExpenseCarbonDioxideCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DisclosureOfDeferredIncomeOtherThanContractLiabilitiesTableTextBlock" id="gsm_DisclosureOfDeferredIncomeOtherThanContractLiabilitiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
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  <xsd:element name="DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock" id="gsm_DisclosureOfDerivativeFinancialInstrumentsInStatementOfFinancialPositionTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
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  <xsd:element name="DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember" id="gsm_DerivativeInstrumentPurchasePriceAgreementWithEnergyaVmGestinDeEnergaSluMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets" id="gsm_UsefulLifeMeasuredAsPeriodOfTimeRightOfUseAssets" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
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  <xsd:element name="CategoriesRightOfUseAssetsDomain" id="gsm_CategoriesRightOfUseAssetsDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="AdvancesToSuppliersNonCurrent" id="gsm_AdvancesToSuppliersNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
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  <xsd:element name="OtherRelatedPartiesNotDisclosedSeparatelyMember" id="gsm_OtherRelatedPartiesNotDisclosedSeparatelyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EarningsBeforeInterestTaxesDepreciationAndAmortizationMember" id="gsm_EarningsBeforeInterestTaxesDepreciationAndAmortizationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="OffsetOfDeferredTaxLiabilities" id="gsm_OffsetOfDeferredTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock" id="gsm_DisclosureOfPurchaseCommitmentsForEachPpaTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="LaterThanTwoYearsNoLaterThanFiveYearsMember" id="gsm_LaterThanTwoYearsNoLaterThanFiveYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="CountryOfIssuerDomain" id="gsm_CountryOfIssuerDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="SpainEsMember" id="gsm_SpainEsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="CarryingValueOfCashGeneratingUnit" id="gsm_CarryingValueOfCashGeneratingUnit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability" id="gsm_LiabilitiesArisingFromFinancingActivitiesExcludingTollingAgreementLeaseLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
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  <xsd:element name="ProceedsFromDebtIssuanceClassifiedAsFinancingActivities" id="gsm_ProceedsFromDebtIssuanceClassifiedAsFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
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  <xsd:element name="IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses" id="gsm_IndirectCarbonDioxideEmissionCompensationDeductedAgainstRelatedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss" id="gsm_IncreaseDecreaseInOtherProvisionsThroughRemeasurementThroughOtherComprehensiveIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FerroglobeFranceMember" id="gsm_FerroglobeFranceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CommitmentsToThirdParties" id="gsm_CommitmentsToThirdParties" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
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  <xsd:element name="IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement" id="gsm_IncomeResultingFromContingentConsiderationResultingFromAgreementEnteredWithKehlenIndustriesManagement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember" id="gsm_FerroglobePlcEquityIncentivePlanWithPerformanceConditionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueOfShareOptionsAtGrantDate" id="gsm_FairValueOfShareOptionsAtGrantDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="FinancialLoansFromGovernmentAgenciesMember" id="gsm_FinancialLoansFromGovernmentAgenciesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SepiLoanMember" id="gsm_SepiLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021" id="gsm_ExceptionToRestrictionOfPaymentOfIntercompanyNetCommercialBalanceAsOfJune302021" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GrupoVillarMirSauVotingStakeInFerroglobePlcMember" id="gsm_GrupoVillarMirSauVotingStakeInFerroglobePlcMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FgSpainDirectOrIndirectInterestInFgCorporateMember" id="gsm_FgSpainDirectOrIndirectInterestInFgCorporateMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfReasonablyPossibleDecreaseInRiskAssumption" id="gsm_PercentageOfReasonablyPossibleDecreaseInRiskAssumption" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
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  <xsd:element name="IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" id="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleDecreaseInDesignatedRiskComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" id="gsm_IncreaseDecreaseInProfitLossFinancialInstrumentDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" id="gsm_IncreaseDecreaseInProfitAndLossDueToReasonablyPossibleIncreaseInDesignatedRiskComponent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
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  <xsd:element name="PayablesToRelatedPartiesMember" id="gsm_PayablesToRelatedPartiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PayablesToNonCurrentAssetSuppliersMember" id="gsm_PayablesToNonCurrentAssetSuppliersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ContingentConsideration.Member" id="gsm_ContingentConsideration.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="TradeAndOtherPayablesMember" id="gsm_TradeAndOtherPayablesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities" id="gsm_NetCashFlowUsedInFinancingActivitiesChangesArisingFromFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences" id="gsm_IncreaseDecreaseInNonControllingInterestThroughNetExchangeDifferences" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
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  <xsd:element name="BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission" id="gsm_BenefitReceivedRelatedToProgramAdministeredByFrenchEnergyRegulatoryCommission" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
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  <xsd:element name="CommercialPaper.Member" id="gsm_CommercialPaper.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="FlexibleBorrowingPeriod" id="gsm_FlexibleBorrowingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfCommercialPaperIssued" id="gsm_NumberOfCommercialPaperIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
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  <xsd:element name="EuriborThreeMonthMember" id="gsm_EuriborThreeMonthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
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  <xsd:element name="CarryingValueOfCashGeneratingUnit." id="gsm_CarryingValueOfCashGeneratingUnit." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
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  <xsd:element name="PercentageOfReasonablePossibleDecreaseInAssumption" id="gsm_PercentageOfReasonablePossibleDecreaseInAssumption" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption" id="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleDecreaseInAssumption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption" id="gsm_IncreaseDecreaseInValuationDueToReasonablyPossibleIncreaseInAssumption" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni" id="gsm_PercentageReductionOfRecoverableAmountOfPierrefitteEmalahleni" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu" id="gsm_AmountByWhichRecoverableAmountIsLowerThanCarryingAmountCgu" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="VagalumeLoanMember" id="gsm_VagalumeLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="BankinterLoanMember" id="gsm_BankinterLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EuriborTwelveMonthMember" id="gsm_EuriborTwelveMonthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="EuriborOneMonthMember" id="gsm_EuriborOneMonthMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RepaymentOfCallPremium" id="gsm_RepaymentOfCallPremium" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MoweEolicaMember" id="gsm_MoweEolicaMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IntercompanySalesMember" id="gsm_IntercompanySalesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfSharesPurchased." id="gsm_NumberOfSharesPurchased." type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="MoIndustriparkMember" id="gsm_MoIndustriparkMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfPpaSigned" id="gsm_NumberOfPpaSigned" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="NumberOfPpaCancelled" id="gsm_NumberOfPpaCancelled" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="SupplyToSabonOnPayAsProduceBasisMember" id="gsm_SupplyToSabonOnPayAsProduceBasisMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="MaximumMaturitiesOfCommercialPaper" id="gsm_MaximumMaturitiesOfCommercialPaper" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="WeightedAverage.Member" id="gsm_WeightedAverage.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="LoanFromBankInterMember" id="gsm_LoanFromBankInterMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DuringFirstYearMember" id="gsm_DuringFirstYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DuringRemainingYearsMember" id="gsm_DuringRemainingYearsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FrenchCompanySubsidiaryMember" id="gsm_FrenchCompanySubsidiaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NorwegianSubsidiaryMember" id="gsm_NorwegianSubsidiaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="GrantDateOfSeptember102025Member" id="gsm_GrantDateOfSeptember102025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="WeightedAverageSharePriceAtDateOfExerciseOfStockOptions." id="gsm_WeightedAverageSharePriceAtDateOfExerciseOfStockOptions." type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="GainLossFromFinancialAssetsMeasuredAtFairValue" id="gsm_GainLossFromFinancialAssetsMeasuredAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="AblFacilityMember" id="gsm_AblFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IncreaseDecreaseInInterestOnDebtInstruments." id="gsm_IncreaseDecreaseInInterestOnDebtInstruments." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="MonzonMember" id="gsm_MonzonMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PierrefiteMember" id="gsm_PierrefiteMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfChangesInSensitivityAssumptionTextblock" id="gsm_DisclosureOfChangesInSensitivityAssumptionTextblock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="AdjustmentForProfitForYear" id="gsm_AdjustmentForProfitForYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="IncreaseDecreaseInLeaseObligationDueToModification" id="gsm_IncreaseDecreaseInLeaseObligationDueToModification" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents" id="gsm_DisclosureOfInformationAboutKeyAssumptionsUsedToEstimatedFairValueOfDerivativeInstrumnents" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices." id="gsm_DisclosureOfInformationAboutKeyAssumptionsOfEnergyPrices." type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract" id="gsm_DisclosureOfInformationAboutKeyAssumptionsFrenchEnergyContract" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="DisclosureOfInformationAboutPurchaseCommitments" id="gsm_DisclosureOfInformationAboutPurchaseCommitments" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EdfEnergyContractMember" id="gsm_EdfEnergyContractMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis" id="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain" id="gsm_ClassesOfDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PurchasePowerAgreementHedgingInstrumentMember" id="gsm_PurchasePowerAgreementHedgingInstrumentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PowerPurchaseAgreementHedgingInstrumentsMember" id="gsm_PowerPurchaseAgreementHedgingInstrumentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred." id="gsm_HedgingInstrumentLiabilitiesValuationDay1DifferenceDeferred." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="PowerPurchaseAgreementPlantOperationsMember" id="gsm_PowerPurchaseAgreementPlantOperationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SignificantUnobservableInputsDerivativeFinancialInstruments" id="gsm_SignificantUnobservableInputsDerivativeFinancialInstruments" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="EnergyPriceMember" id="gsm_EnergyPriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CapVolatilityMember" id="gsm_CapVolatilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="HedgingFinancialInstruments" id="gsm_HedgingFinancialInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument" id="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleIncreaseInUnobservableInputInputDerivativeFinancialInstrument" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument" id="gsm_IncreaseDecreaseInFairValueMeasurementDueToReasonablyPossibleDecreaseInUnobservableInputInputDerivativeFinancialInstrument" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="EdfEnergyContractsMember" id="gsm_EdfEnergyContractsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="Co2PriceMember" id="gsm_Co2PriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="SiliconIndexPriceMember" id="gsm_SiliconIndexPriceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="NumberOfElectricitySupplyAgreements" id="gsm_NumberOfElectricitySupplyAgreements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement." id="gsm_PercentageOfForecastConsumptionCoveredByElectricitySupplyAgreement." type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="CpiContractMember" id="gsm_CpiContractMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="RetailContractMember" id="gsm_RetailContractMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PercentageOfConsumptionToleranceBand" id="gsm_PercentageOfConsumptionToleranceBand" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PostTaxDiscountRate" id="gsm_PostTaxDiscountRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="DisclosureOfOperatingExpensesTable" id="gsm_DisclosureOfOperatingExpensesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="DisclosureOfOperatingExpenses." id="gsm_DisclosureOfOperatingExpenses." type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FairValueLiabilitiesAssets" id="gsm_FairValueLiabilitiesAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GainLossesRecognisedInProfitOfLossFairValueMeasurement" id="gsm_GainLossesRecognisedInProfitOfLossFairValueMeasurement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="SettlementFairValueMeasurement." id="gsm_SettlementFairValueMeasurement." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="RawMaterialsAndEnergyProductionAdjustment." id="gsm_RawMaterialsAndEnergyProductionAdjustment." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AmountOfShortfallOfRecoverableValueVersusCarryingValue." id="gsm_AmountOfShortfallOfRecoverableValueVersusCarryingValue." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain" id="gsm_GrantReceivedFromMinistryOfIndustryAndTourismOfGovernmentOfSpain" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AdjustmentsForWriteDownOfInventoriesToNetRealizableValue" id="gsm_AdjustmentsForWriteDownOfInventoriesToNetRealizableValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments" id="gsm_AdjustmentsForChangeInFairValueOfDerivativesNotDesignatedAsHedgingInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PotentialReductionInRecoverableAmountOfAlloyCgu" id="gsm_PotentialReductionInRecoverableAmountOfAlloyCgu" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="ImpairmentLossAdjustments." id="gsm_ImpairmentLossAdjustments." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="PercentageReductionOfFutureVariableLeasePayments." id="gsm_PercentageReductionOfFutureVariableLeasePayments." type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="PurchasePowerAgreementNotHeldForHedgingMember" id="gsm_PurchasePowerAgreementNotHeldForHedgingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="PurchasePowerAgreementsValuationDay1DifferenceDeferred" id="gsm_PurchasePowerAgreementsValuationDay1DifferenceDeferred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="credit" />
  <xsd:element name="TaxEffectOfWriteDownOfDeferredTaxAssets" id="gsm_TaxEffectOfWriteDownOfDeferredTaxAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="TaxEffectsOfOtherTaxes." id="gsm_TaxEffectsOfOtherTaxes." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="InterestOnLeasesIncludingExchangeDifferencesNote18" id="gsm_InterestOnLeasesIncludingExchangeDifferencesNote18" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="HoskingPartnersLlpMember" id="gsm_HoskingPartnersLlpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ChangesInFairValueOfEnergyDerivatives." id="gsm_ChangesInFairValueOfEnergyDerivatives." type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
</xsd:schema>
