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Bariomicrolite Mineral Data
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General Bariomicrolite Information
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 Chemical Formula: |
Ba(Ta,Nb)2(O,OH)7 |
| Composition: |
Molecular Weight = 506.31 gm |
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Barium 8.14 % Ba 9.08 % BaO |
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Tantalum 64.33 % Ta 78.55 % Ta2O5 |
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Niobium 3.67 % Nb 5.25 % Nb2O5 |
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Hydrogen 0.80 % H 7.12 % H2O |
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Oxygen 23.07 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ba0.3Ta1.8Nb0.2O5.3(H2O)2 |
| Environment: |
In a concentrate from alluvium derived from a pegmatite. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Chi-Chico, Sao Joao del Rei, Minas Gerais, Brazil. Link to MinDat.org Location Data. |
| Name Origin: |
Assigned by the IMA pyrochlore nomenclature group for the predominant barium content and to microlite. |
| Name Pronunciation: |
Bariomicrolite + Pronunciation  |
| Synonym: |
ICSD 45824 ? |
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PDF 16-616 |
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Rijkeboerite |
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