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Vuoriyarvite-K Mineral Data
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General Vuoriyarvite-K Information
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 Chemical Formula: |
(K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O) |
| Composition: |
Molecular Weight = 654.35 gm |
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Potassium 5.98 % K 7.20 % K2O |
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Barium 2.10 % Ba 2.34 % BaO |
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Sodium 2.11 % Na 2.84 % Na2O |
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Titanium 0.73 % Ti 1.22 % TiO2 |
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Niobium 25.56 % Nb 36.56 % Nb2O5 |
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Silicon 17.17 % Si 36.73 % SiO2 |
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Hydrogen 1.37 % H 12.25 % H2O |
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Oxygen 44.99 % O |
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______ ______ |
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100.00 % 99.14 % = TOTAL OXIDE |
| Empirical Formula: |
KNa0.6Ba0.1Nb1.8Ti0.1Si4O13.7(OH)0.5•4.2(H2O) |
| Environment: |
The mineral formed by the hydrothermal alteration of pyrochlore. |
| IMA Status: |
Approved IMA 1995 (Dana # Added) |
| Locality: |
Lake Vuoriyarvi and the Vuoriyarvi alkali-ultramafic complex, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
The name reflects the discovery locality. |
| Name Pronunciation: |
Vuoriyarvite-K + Pronunciation  |
| Synonym: |
IMA1995-031 |
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IMA2000-A |
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Vuoriyarvite |
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