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Potassicrichterite Mineral Data
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General Potassicrichterite Information
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 Chemical Formula: |
(K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 |
| Composition: |
Molecular Weight = 832.34 gm |
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Potassium 3.52 % K 4.24 % K2O |
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Sodium 3.45 % Na 4.65 % Na2O |
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Calcium 4.82 % Ca 6.74 % CaO |
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Magnesium 14.60 % Mg 24.21 % MgO |
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Silicon 26.99 % Si 57.75 % SiO2 |
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Hydrogen 0.12 % H 1.08 % H2O |
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Oxygen 44.21 % O |
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Fluorine 2.28 % F 2.28 % F |
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- %
F -0.96 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K0.75Na1.25CaMg5(Si8O22)(OH)F |
| IMA Status: |
Proposed IMA (Dana # Added) |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
| Synonym: |
Richterite-K |
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