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Vanadiumdravite Mineral Data
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General Vanadiumdravite Information
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 Chemical Formula: |
NaMg3V6(Si6O18)(BO3)3(OH)4 |
| Composition: |
Molecular Weight = 1,109.10 gm |
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Potassium 0.35 % K 0.42 % K2O |
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Sodium 1.87 % Na 2.51 % Na2O |
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Magnesium 5.04 % Mg 8.36 % MgO |
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Aluminum 1.46 % Al 2.76 % Al2O3 |
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Vanadium 26.64 % V 39.19 % V2O3 |
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Chromium 2.34 % Cr 3.07 % CrO |
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Silicon 15.19 % Si 32.50 % SiO2 |
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Boron 2.92 % B 9.42 % B2O3 |
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Hydrogen 0.30 % H 2.68 % H2O |
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Oxygen 43.71 % O |
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Fluorine 0.17 % F 0.17 % F |
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- %
F -0.07 % -O=F2 |
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______ ______ |
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100.00 % 101.01 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.9K0.1Mg2.3Al0.6Cr0.5V3+5.8(Si6O18)(BO3)3(F)0.1(OH)3.3 |
| Environment: |
Accessory mineral in metamorphic rocks with quartz and Cr-V bearing diopside. Tourmaline group. |
| IMA Status: |
Approved IMA 2002 (Dana # Added) |
| Locality: |
Slyudyanka complex, Lake Baikal region, Zabaikalye (Transbaikal), Siberia, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its vanadium content and the mineral dravite. |
| Synonym: |
IMA1999-050 |
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Tourmaline |
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