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Potassicpargasite Mineral Data
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General Potassicpargasite Information
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 Chemical Formula: |
(K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2 |
| Composition: |
Molecular Weight = 906.89 gm |
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Potassium 2.16 % K 2.60 % K2O |
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Sodium 1.27 % Na 1.71 % Na2O |
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Calcium 8.84 % Ca 12.37 % CaO |
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Magnesium 8.04 % Mg 13.33 % MgO |
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Iron 12.32 % Fe 15.84 % FeO |
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Silicon 24.78 % Si 53.00 % SiO2 |
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Hydrogen 0.20 % H 1.79 % H2O |
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Oxygen 41.99 % O |
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Fluorine 0.42 % F 0.42 % F |
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- %
F -0.18 % -O=F2 |
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______ ______ |
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100.00 % 100.88 % = TOTAL OXIDE |
| Empirical Formula: |
K0.5Na0.5Ca2Mg3Fe2+2(Si8O22)(OH)1.8F0.2 |
| Environment: |
With calcite in a metasomatic or skarn-type deposit. |
| IMA Status: |
Approved IMA 1994 (Dana # Added) |
| Locality: |
Pargas, Turku-Pori, Finland. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its containing potassium and the locality. |
| Name Pronunciation: |
Potassicpargasite  |
| Synonym: |
IMA1994-046 |
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Pargasite-K |
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