Mineralogy Database

Metakirchheimerite Mineral Data

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General Metakirchheimerite Information

Help on Chemical  Formula: Chemical Formula: Co(UO2)2(AsO4)2•8(H2O)
Help on Composition: Composition: Molecular Weight = 1,020.95 gm
   Uranium   46.63 %  U    52.90 % UO2
   Cobalt     5.77 %  Co    8.12 % Co2O3
   Arsenic   14.68 %  As   22.51 % As2O5
   Hydrogen   1.58 %  H    14.12 % H2O
   Oxygen    31.34 %  O
            ______        ______ 
            100.00 %       97.65 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Co(UO2)2(AsO4)2•8(H2O)
Help on Environment: Environment: Secondary mineral formed in the oxidized zone of a U-As deposit.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: Dump of the Sophia mine, near Wittichen, Black Forest, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for meta which indicates membership of this species in the meta-autunite group and for Franz Waldemar Kirchheimer (1911-), former Director of the Geological Survey of Baden-Wu rttemberg, Germany.
Help on Name Pronunciation: Name Pronunciation: Metakirchheimerite + Pronunciation Say METAKIRCHHEIMERITE