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Uranpyrochlore Mineral Data
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General Uranpyrochlore Information
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 Chemical Formula: |
(U,Ca,Ce)2(Nb,Ta)2O6(OH,F) |
| Composition: |
Molecular Weight = 541.23 gm |
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Calcium 5.18 % Ca 7.25 % CaO |
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Cerium 20.71 % Ce 24.26 % Ce2O3 |
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Uranium 17.59 % U 19.96 % UO2 |
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Tantalum 16.72 % Ta 20.41 % Ta2O5 |
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Niobium 18.88 % Nb 27.01 % Nb2O5 |
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Hydrogen 0.17 % H 1.50 % H2O |
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Oxygen 20.40 % O |
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Fluorine 0.35 % F 0.35 % F |
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- %
F -0.15 % -O=F2 |
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______ ______ |
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100.00 % 100.59 % = TOTAL OXIDE |
| Empirical Formula: |
U0.4Ca0.7Ce0.8Nb1.1Ta0.5O6(OH)0.9F0.1 |
| Environment: |
Cemented calcareous tuffs associated with carbonatite. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Kasenda, Fort Portal area, Uganda. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its URANium content and membership in the pyrochlore group. |
| Name Pronunciation: |
Uranpyrochlore + Pronunciation  |
| Synonym: |
Hatchettolite |
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