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Schiavinatoite Mineral Data
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General Schiavinatoite Information
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 Chemical Formula: |
(Nb,Ta)BO4 |
| Composition: |
Molecular Weight = 209.97 gm |
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Tantalum 41.36 % Ta 50.51 % Ta2O5 |
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Niobium 23.01 % Nb 32.91 % Nb2O5 |
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Boron 5.15 % B 16.58 % B2O3 |
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Oxygen 30.48 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Nb0.52Ta0.48(BO4) |
| Environment: |
In miarolitic cavities and intergranular mineral in a B-rich granitic pegmatite. Nb-analogue of behierite. |
| IMA Status: |
Approved IMA 2001 (Dana # Added) |
| Locality: |
Antsongombato, south of Betafo, Malagasy Republic. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Italian mineralogist Giuseppe Schiavinato (1915-1996). |
| Synonym: |
IMA1999-051 |
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