Mineralogy Database

Comblainite Mineral Data

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General Comblainite Information

Help on Chemical  Formula: Chemical Formula: Ni++6Co+++2(CO3)(OH)16•4(H2O)
Help on Composition: Composition: Molecular Weight = 874.19 gm
   Cobalt    13.48 %  Co   18.97 % Co2O3
   Nickel    40.28 %  Ni   51.26 % NiO
   Hydrogen   2.77 %  H    24.73 % H2O
   Carbon     1.37 %  C     5.03 % CO2
   Oxygen    42.09 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni6Co2(CO3)(OH)16•4(H2O)
Help on Environment: Environment: Secondary mineral found on altered uraninite in the uranium deposits at Shinkolobwe.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Shinkolobwe mine (Kasolo mine), Shaba (Katanga), Congo (Zaire). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gordon Comblain (1929-) of the Musee Royal de l'Afrique Centrale, Tervuren, Belgium who discovered the mineral.