Mineralogy Database

Fluoro-potassichastingsite Mineral Data

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General Fluoro-potassichastingsite Information

Help on Chemical  Formula: Chemical Formula: KCa2(Fe++2,Mg2,Fe+++)S5(Si6Al2)8O22F2
Help on Composition: Composition: Molecular Weight = 947.86 gm
   Potassium   4.12 %  K     4.97 % K2O
   Calcium     8.46 %  Ca   11.83 % CaO
   Magnesium   5.13 %  Mg    8.50 % MgO
   Aluminum    5.69 %  Al   10.76 % Al2O3
   Iron       17.68 %  Fe   15.16 % FeO /  8.42 % Fe2O3
   Silicon    17.78 %  Si   38.03 % SiO2
   Oxygen     37.13 %  O
   Fluorine    4.01 %  F     4.01 % F
                -   %   F    -1.69 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KCa2Fe2+2Mg2Fe3+Si6Al2O22F2
Help on IMA Status: IMA Status: Proposed IMA 2005 (Dana # Added)
Help on Locality: Locality: Greenwood iron mine, Harriman State Park, Tuxedo, Orange County, New York, USA Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2005-006