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Kupletskite-(Cs) Mineral Data
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General Kupletskite-(Cs) Information
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 Chemical Formula: |
(Cs,K)2Na(Mn,Fe++,Li)7(Ti,Nb)2Si8O26(OH)4F |
| Composition: |
Molecular Weight = 1,455.85 gm |
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Cesium 13.69 % Cs 14.52 % Cs2O |
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Potassium 1.34 % K 1.62 % K2O |
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Sodium 1.58 % Na 2.13 % Na2O |
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Lithium 0.19 % Li 0.41 % Li2O |
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Titanium 4.60 % Ti 7.68 % TiO2 |
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Manganese 17.36 % Mn 22.41 % MnO |
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Niobium 3.19 % Nb 4.56 % Nb2O5 |
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Iron 8.06 % Fe 9.87 % FeO / 0.55 % Fe2O3 |
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Silicon 15.43 % Si 33.02 % SiO2 |
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Hydrogen 0.28 % H 2.47 % H2O |
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Oxygen 32.97 % O |
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Fluorine 1.30 % F 1.30 % F |
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- %
F -0.55 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Cs1.5K0.5NaMn2+4.6Fe2+2Li0.4Ti1.4Nb0.5Fe3+0.1Si8O26(OH)4F |
| Environment: |
At the border of aegirine-microcline-quartz pegmatites. |
| IMA Status: |
Approved IMA 1971 |
| Locality: |
In the [Dara-i-Pioz massif,] Alai Range, Tien Shan, Tadzhikistan. Link to MinDat.org Location Data. |
| Name Origin: |
For the cesium in the composition and similarity to kupletskite. Renamed kupletskite-(Cs) from cesium kupletskite (IMA order 04-A). |
| Name Pronunciation: |
Kupletskite-(Cs) + Pronunciation  |
| Synonym: |
Cesium-kupletskite |
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IMA2004-04a |
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