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Plumbomicrolite Mineral Data
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General Plumbomicrolite Information
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 Chemical Formula: |
(Pb,Ca,U)2Ta2O6(OH) |
| Composition: |
Molecular Weight = 795.19 gm |
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Calcium 3.02 % Ca 4.23 % CaO |
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Uranium 5.99 % U 6.79 % UO2 |
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Tantalum 45.51 % Ta 55.57 % Ta2O5 |
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Hydrogen 0.13 % H 1.13 % H2O |
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Lead 31.27 % Pb 33.68 % PbO |
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Oxygen 14.08 % O |
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______ ______ |
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100.00 % 101.41 % = TOTAL OXIDE |
| Empirical Formula: |
Pb1.2Ca0.6U0.2Ta2O6(OH) |
| Environment: |
In alluvium near lithium-rich pegmatites. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Mumba district, Kobokobo, Kivu province, Congo (Zaire). Link to MinDat.org Location Data. |
| Name Origin: |
Named for lead, "PLUMBum" and its relationship to microlite. |
| Name Pronunciation: |
Plumbomicrolite + Pronunciation  |
| Synonym: |
ICSD 45821 |
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PDF 44-670 |
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