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Frankamenite Mineral Data
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General Frankamenite Information
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 Chemical Formula: |
K3Na3Ca5(Si12O30)[F,(OH)]4•(H2O) |
| Composition: |
Molecular Weight = 1,298.37 gm |
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Potassium 8.73 % K 10.52 % K2O |
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Sodium 5.13 % Na 6.92 % Na2O |
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Calcium 15.74 % Ca 22.03 % CaO |
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Manganese 0.42 % Mn 0.55 % MnO |
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Silicon 25.96 % Si 55.53 % SiO2 |
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Hydrogen 0.23 % H 2.08 % H2O |
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Oxygen 39.68 % O |
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Fluorine 4.10 % F 4.10 % F |
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- %
F -1.73 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K2.9Na2.9Ca5.1Mn2+0.1Si12O30F2.8(OH)1.4�0.8(H2O) |
| Environment: |
Charoitic rocks of the Murun alkaline massif. |
| IMA Status: |
Approved IMA 1997 (Dana # Added) |
| Locality: |
Charo and Tokko Rivers, Murun, Murunsky massif, Yakutia, East Siberia, Russia Link to MinDat.org Location Data. |
| Name Origin: |
Named after V.A. Frank-Kamenetsky (1915-1994), Russian mineralogist-crystallographer. |
| Name Pronunciation: |
Frankamenite + Pronunciation  |
| Synonym: |
Canasite - triclinic |
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ICSD 82885 |
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IMA1994-050 |
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