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Monazite-(La) Mineral Data
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General Monazite-(La) Information
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 Chemical Formula: |
(La,Ce,Nd)PO4 |
| Composition: |
Molecular Weight = 239.90 gm |
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Lanthanum 28.95 % La 33.95 % La2O3 |
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Cerium 14.60 % Ce 17.10 % Ce2O3 |
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Thorium 4.84 % Th 5.50 % ThO2 |
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Phosphorus 12.91 % P 29.58 % P2O5 |
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Neodymium 12.02 % Nd 14.03 % Nd2O3 |
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Oxygen 26.68 % O |
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______ ______ |
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100.00 % 100.17 % = TOTAL OXIDE |
| Empirical Formula: |
La0.5Ce0.25Nd0.2Th0.05(PO4) |
| Environment: |
Granitic pegmatites. |
| IMA Status: |
Approved IMA 1966 |
| Locality: |
Mars Hill, Madison County, North Carolina. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek monazeis - "to be alone" in allusion to its isolated crystals and their rarity when first found. |
| Name Pronunciation: |
Monazite-(La)  |
| Synonym: |
ICSD 79747 |
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PDF 46-1326 |
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