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Monazite-(Nd) Mineral Data
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General Monazite-(Nd) Information
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 Chemical Formula: |
(Nd,Ce,La)(P,Si)O4 |
| Composition: |
Molecular Weight = 240.72 gm |
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Lanthanum 14.43 % La 16.92 % La2O3 |
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Cerium 11.64 % Ce 13.64 % Ce2O3 |
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Thorium 4.82 % Th 5.48 % ThO2 |
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Silicon 2.92 % Si 6.24 % SiO2 |
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Phosphorus 9.65 % P 22.11 % P2O5 |
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Neodymium 29.96 % Nd 34.94 % Nd2O3 |
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Oxygen 26.59 % O |
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______ ______ |
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100.00 % 99.34 % = TOTAL OXIDE |
| Empirical Formula: |
Nd0.5La0.25Ce0.2Th0.05(PO4)0.75(SiO4)0.25 |
| Environment: |
Granitic pegmatites. |
| IMA Status: |
Approved IMA 1987 |
| 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-(Nd)  |
| Synonym: |
ICSD 79750 |
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PDF 46-1392 |
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