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Vinogradovite Mineral Data
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General Vinogradovite Information
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 Chemical Formula: |
(Na,K)4Ti4(Si,Al)8O26•3(H2O,Na) |
| Composition: |
Molecular Weight = 976.77 gm |
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Potassium 1.20 % K 1.45 % K2O |
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Barium 1.41 % Ba 1.57 % BaO |
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Sodium 9.89 % Na 13.33 % Na2O |
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Titanium 18.14 % Ti 30.26 % TiO2 |
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Niobium 0.95 % Nb 1.36 % Nb2O5 |
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Aluminum 3.87 % Al 7.31 % Al2O3 |
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Iron 1.14 % Fe 1.63 % Fe2O3 |
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Silicon 18.98 % Si 40.60 % SiO2 |
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Hydrogen 0.21 % H 1.84 % H2O |
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Oxygen 44.23 % O |
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______ ______ |
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100.00 % 99.34 % = TOTAL OXIDE |
| Empirical Formula: |
Na4.2K0.3Ba0.1Ti3.7Fe3+0.2Nb0.1Si6.6Al1.4O26�(H2O) |
| Environment: |
Late-stage hydrothermal mineral in cavities and veins, and replacing Ti-bearing minerals, in alkalic pegmatites in differentiated alkalic massifs. |
| IMA Status: |
Valid Species (Pre-IMA) 1956 |
| Locality: |
In the Khibiny and Lovozero massifs, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Alexander Pavlovich Vinogradov, Russian geochemist. |
| Name Pronunciation: |
Vinogradovite + Pronunciation  |
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