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Francoisite-(Nd) Mineral Data
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General Francoisite-(Nd) Information
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 Chemical Formula: |
(Nd,Y,Sm,Ce)(UO2)3(PO4)2O(OH)•6(H2O) |
| Composition: |
Molecular Weight = 1,243.40 gm |
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Cerium 0.45 % Ce 0.53 % Ce2O3 |
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Samarium 0.73 % Sm 0.84 % Sm2O3 |
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Yttrium 0.72 % Y 0.91 % Y2O3 |
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Uranium 61.26 % U 69.49 % UO2 |
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Phosphorus 4.73 % P 10.85 % P2O5 |
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Hydrogen 1.10 % H 9.85 % H2O |
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Neodymium 2.32 % Nd 2.71 % Nd2O3 |
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Oxygen 28.69 % O |
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______ ______ |
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100.00 % 95.17 % = TOTAL OXIDE |
| Empirical Formula: |
Nd0.2Y0.1Sm0.06Ce0.04(UO2)3.2O(PO4)1.9(OH)•6.3(H2O) |
| Environment: |
Alteration product of uraninite in a sedimentary Cu-Co deposit. |
| IMA Status: |
Approved IMA 1988 |
| Locality: |
Kamoto-East Cu-Co mine, 6 km east of Kolwezi, Katanga Province, Zaire. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Armand Francois (1922-), former Director of Geology for Gecamine and the dominant neodymium content. |
| Name Pronunciation: |
Francoisite-(Nd) + Pronunciation  |
| Synonym: |
ICSD 202796 |
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PDF 42-1314 |
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