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Potassic-fluororichterite Mineral Data
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General Potassic-fluororichterite Information
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 Chemical Formula: |
(K,Na)(CaNa)Mg5[Si8O22]F2 |
| Composition: |
Molecular Weight = 834.33 gm |
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Potassium 3.51 % K 4.23 % K2O |
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Sodium 3.44 % Na 4.64 % Na2O |
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Calcium 4.80 % Ca 6.72 % CaO |
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Magnesium 14.57 % Mg 24.15 % MgO |
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Silicon 26.93 % Si 57.61 % SiO2 |
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Oxygen 42.19 % O |
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Fluorine 4.55 % F 4.55 % F |
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- %
F -1.92 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K0.75Na1.25CaMg5(Si8O22)F2 |
| IMA Status: |
Approved IMA 1992 (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: |
IMA1986-046 |
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Potassium-fluor-richterite |
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