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Plumbobetafite Mineral Data
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General Plumbobetafite Information
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 Chemical Formula: |
(Pb,U,Ca)(Ti,Nb)2O6(OH,F) |
| Composition: |
Molecular Weight = 425.90 gm |
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Sodium 0.54 % Na 0.73 % Na2O |
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Calcium 1.88 % Ca 2.63 % CaO |
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La,Ce,Pr,Nd,Sm, 3.38 % RE 3.94 % REE2O3 |
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Uranium 11.18 % U 13.43 % UO3 |
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Titanium 14.61 % Ti 24.38 % TiO2 |
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Niobium 8.73 % Nb 12.48 % Nb2O5 |
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Hydrogen 0.14 % H 1.27 % H2O |
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Lead 24.33 % Pb 26.20 % PbO |
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Tungsten 8.63 % W 10.89 % WO3 |
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Oxygen 24.79 % O |
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Fluorine 1.78 % F 1.78 % F |
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- %
F -0.75 % -O=F2 |
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______ ______ |
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100.00 % 96.99 % = TOTAL OXIDE |
| Empirical Formula: |
Pb0.5U0.2Ca0.2Na0.1REE0.1Ti1.3Nb0.4W0.2O6(OH)0.6F0.4 |
| Environment: |
Accessory mineral in a pegmatitic dike in nepheline syenite. |
| IMA Status: |
Approved IMA 1969 |
| Locality: |
Burpala massif, 120 km north of Lake Baikal, eastern Siberia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the lead (PLUMBium), and other betafite minerals. |
| Name Pronunciation: |
Plumbobetafite + Pronunciation  |
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