Mineralogy Database

Kochsandorite Mineral Data

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General Kochsandorite Information

Help on Chemical  Formula: Chemical Formula: CaAl2(CO3)2(OH)4•H2O
Help on Composition: Composition: Molecular Weight = 295.50 gm
   Calcium   12.21 %  Ca   17.08 % CaO
   Aluminum  18.26 %  Al   34.50 % Al2O3
   Hydrogen   2.25 %  H    20.12 % H2O
   Carbon     7.72 %  C    28.30 % CO2
   Oxygen    59.56 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.9Al2(CO3)1.9(OH)4•1.3(H2O)
Help on Environment: Environment: Formed from the weathering of b�hmite, pyrite, and calcite and occur as spherical aggregates that form pale brown strings in Eocene brown coal deposits. Dresserite group.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: M�ny coal deposit, Tatab�nya, Hungary Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after S�ndor Koch, (1896-1983), professor in the Department of Mineralogy, Petrography and Geochemistry Josef Atilla University.
Help on Synonym: Synonym: IMA2004-037