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