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Kupletskite Mineral Data
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General Kupletskite Information
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 Chemical Formula: |
K2Na(Mn,Fe++)7(Ti,Nb)2Si8O26(OH)4F |
| Composition: |
Molecular Weight = 1,337.34 gm |
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Potassium 6.58 % K 7.92 % K2O |
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Sodium 1.29 % Na 1.74 % Na2O |
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Titanium 5.37 % Ti 8.96 % TiO2 |
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Manganese 21.57 % Mn 27.85 % MnO |
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Niobium 3.47 % Nb 4.97 % Nb2O5 |
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Iron 7.31 % Fe 9.40 % FeO |
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Silicon 16.80 % Si 35.94 % SiO2 |
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Hydrogen 0.30 % H 2.69 % H2O |
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Oxygen 35.89 % O |
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Fluorine 1.42 % F 1.42 % F |
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- %
F -0.60 % -O=F2 |
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______ ______ |
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100.00 % 100.30 % = TOTAL OXIDE |
| Empirical Formula: |
K2.25Na0.75Mn2+5.25Fe2+1.75Ti1.5Nb0.5Si8O26(OH)4(F) |
| Environment: |
The monoclinic version is kukpletskite-Ma2b2c and the triclinic version is kupletskite-1A |
| IMA Status: |
Valid Species (Pre-IMA) 1956 |
| Locality: |
Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Boris Mikhailovich Kupletski (1984-1964) and Elsa Maximilianove Bohnshtedt Kupletskaya (1897-1974), Russian geologists. |
| Name Pronunciation: |
Kupletskite + Pronunciation  |
| Synonym: |
ICSD 86867 |
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PDF 26-6 |
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