Mineralogy Database

Caresite Mineral Data

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General Caresite Information

Help on Chemical  Formula: Chemical Formula: Fe++4Al2(OH)12CO3•3(H2O)
Help on Composition: Composition: Molecular Weight = 595.49 gm
   Aluminum   9.06 %  Al   17.12 % Al2O3
   Iron      37.51 %  Fe   48.26 % FeO
   Hydrogen   3.05 %  H    27.23 % H2O
   Carbon     2.02 %  C     7.39 % CO2
   Oxygen    48.36 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+4Al2(CO3)(OH)12•3(H2O)
Help on Environment: Environment: In silicate and carbonate cavities and in nepheline syenite pegmatites.
Help on IMA Status: IMA Status: Approved IMA 1997
Help on Locality: Locality: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, as well as in the Corporation quarry, Montreal, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Steve Cares (1909-) and Janet Cares (1921-) of Sudbury, MA, Canada, who found the mineral.
Help on Synonym: Synonym: IMA1992-030