Mineralogy Database

Copiapite Mineral Data

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General Copiapite Information

Help on Chemical  Formula: Chemical Formula: Fe++Fe+++4(SO4)6(OH)2•20(H2O)
Help on Composition: Composition: Molecular Weight = 1,249.94 gm
   Iron      22.34 %  Fe    5.75 % FeO / 25.55 % Fe2O3
   Hydrogen   3.39 %  H    30.27 % H2O
   Sulfur    15.39 %  S    38.43 % SO3
   Oxygen    58.88 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Fe3+4(SO4)6(OH)2•20(H2O)
Help on Environment: Environment: Oxidized iron sulfide deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1833
Help on Locality: Locality: Copiapo, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Copiapite + Pronunciation Say COPIAPITE
Help on Synonym: Synonym: ICSD 10276
  Janosite
  Misy
  PDF 35-583