Mineralogy Database

Cobalttsumcorite Mineral Data

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General Cobalttsumcorite Information

Help on Chemical  Formula: Chemical Formula: Pb(Co,Fe)2(AsO4)2(OH,H2O)2
Help on Composition: Composition: Molecular Weight = 607.66 gm
   Iron       6.43 %  Fe    8.28 % FeO
   Cobalt     7.76 %  Co   10.92 % Co2O3
   Nickel     3.86 %  Ni    4.92 % NiO
   Arsenic   24.66 %  As   37.82 % As2O5
   Hydrogen   0.53 %  H     4.74 % H2O
   Lead      30.69 %  Pb   33.06 % PbO
   Oxygen    26.07 %  O
            ______        ______ 
            100.00 %       99.74 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb0.9Co0.8Fe2+0.7Ni0.4(AsO4)2(OH)0.6(H2O)1.3
Help on Environment: Environment: Secondary mineral found in dump material from an oxidation zone.
Help on IMA Status: IMA Status: Approved IMA 1999 (Dana # Added)
Help on Locality: Locality: "Am Roten Berg" mining area, 4.8 km SW of Schneeberg, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the chemical and structural relationship to tsumcorite
Help on Synonym: Synonym: IMA1999-029