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  <xs:element id="sqm_SalarDeAtacamaMember" abstract="true" name="SalarDeAtacamaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_ElNorteGrandeCalicheMember" abstract="true" name="ElNorteGrandeCalicheMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_CorporacionDeFomentoDeLaProduccionDeChileCORFOMember" abstract="true" name="CorporacionDeFomentoDeLaProduccionDeChileCORFOMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_TesoreriaGeneralDeLaRepublicaMember" abstract="true" name="TesoreriaGeneralDeLaRepublicaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_VariousLocalChileanMunicipalitiesCommunitiesMember" abstract="true" name="VariousLocalChileanMunicipalitiesCommunitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_LithiumAndPotassiumMember" abstract="true" name="LithiumAndPotassiumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_LithiumAndItsDerivativesMember" abstract="true" name="LithiumAndItsDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_NitratesAndIodineMember" abstract="true" name="NitratesAndIodineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sqm_IodineAndItsDerivativesMember" abstract="true" name="IodineAndItsDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
