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Natrotantite Mineral Data
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General Natrotantite Information
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 Chemical Formula: |
Na2Ta4O11 |
| Composition: |
Molecular Weight = 945.76 gm |
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Sodium 4.86 % Na 6.55 % Na2O |
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Tantalum 76.53 % Ta 93.45 % Ta2O5 |
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Oxygen 18.61 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2Ta4O11 |
| Environment: |
Found in albite units of granite pegmatites. Rimming crystals of simpsonite and, in turn, rimmed by alumotantite. |
| IMA Status: |
Approved IMA 1981 |
| Locality: |
Leshaia pegmatite, Vuoriyarvi carbonatite complex, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for sodium, "NATRium", and TANTalum in the composition. |
| Name Pronunciation: |
Natrotantite + Pronunciation  |
| Synonym: |
ICSD 201714 |
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PDF 38-391 |
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