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Fergusonite-beta-(Nd) Mineral Data
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General Fergusonite-beta-(Nd) Information
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 Chemical Formula: |
(Nd,Ce)NbO4 |
| Composition: |
Molecular Weight = 285.36 gm |
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Cerium 14.73 % Ce 17.25 % Ce2O3 |
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Praeseodymium 4.94 % Pr 5.78 % Pr2O3 |
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Samarium 5.27 % Sm 6.11 % Sm2O3 |
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Yttrium 3.12 % Y 3.96 % Y2O3 |
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Niobium 29.30 % Nb 41.92 % Nb2O5 |
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Neodymium 20.22 % Nd 23.58 % Nd2O3 |
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Oxygen 22.43 % O |
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______ ______ |
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100.00 % 98.60 % = TOTAL OXIDE |
| Empirical Formula: |
Nd0.4Ce0.3Pr0.1Sm0.1Y0.1Nb0.9O4 |
| Environment: |
In sodium-metasomatized carbonatite-derived dolomitic marble. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Bayan Obo Fe-Nb-REE deposit, 130 km north of Baotou, Inner Mongolia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the dimorphous relationship to fergusonite-(Nd). |
| Name Pronunciation: |
Fergusonite-beta-(Nd) + Pronunciation  |
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