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Fergusonite-beta-(Ce) Mineral Data
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General Fergusonite-beta-(Ce) Information
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 Chemical Formula: |
(Ce,La,Nd)NbO4 |
| Composition: |
Molecular Weight = 288.78 gm |
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Lanthanum 9.62 % La 11.28 % La2O3 |
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Cerium 19.41 % Ce 22.73 % Ce2O3 |
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Praeseodymium 4.88 % Pr 5.71 % Pr2O3 |
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La,Ce,Pr,Nd,Sm, 4.99 % RE 5.82 % REE2O3 |
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Niobium 28.95 % Nb 41.42 % Nb2O5 |
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Neodymium 9.99 % Nd 11.65 % Nd2O3 |
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Oxygen 22.16 % O |
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______ ______ |
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100.00 % 98.61 % = TOTAL OXIDE |
| Empirical Formula: |
La0.2Ce0.4Pr0.1Nd0.2REE0.1Nb0.9O4 |
| Environment: |
In magnesian skarn around carbonatite-derived dolomitic marble. |
| IMA Status: |
Approved IMA 1973 |
| Locality: |
Bayan Obo Fe-Nb-REE deposit, 130 km north of Baotaou, Inner Mongolia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the dimorphous relationship to fergusonite-(Ce). |
| Name Pronunciation: |
Fergusonite-beta-(Ce) + Pronunciation  |
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