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Cheralite-(Ce) Mineral Data
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General Cheralite-(Ce) Information
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Chemical Formula: |
(Ce,Ca,Th)(P,Si)O4 |
Composition: |
Molecular Weight = 239.85 gm |
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Calcium 5.01 % Ca 7.01 % CaO |
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Lanthanum 5.79 % La 6.79 % La2O3 |
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Cerium 11.68 % Ce 13.68 % Ce2O3 |
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La,Ce,Pr,Nd,Sm, 3.00 % RE 3.50 % REE2O3 |
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Thorium 29.02 % Th 33.02 % ThO2 |
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Silicon 1.17 % Si 2.51 % SiO2 |
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Phosphorus 11.62 % P 26.63 % P2O5 |
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Neodymium 6.01 % Nd 7.01 % 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: |
Th0.3Ca0.3Ce0.2Nd0.1La0.1REE0.05(PO4)0.9(SiO4)0.1 |
Environment: |
Disseminated in a kaolinitized pegmatite dike. Cheralite-(Ce) (1953) is now regarded as Ca-rich monazite-(Ce). |
IMA Status: |
Discredited IMA 2006 - Valid Species (Pre-IMA) 1953 |
Locality: |
From Kuttankuli (Kuttakuzhi), about 42 km east-southeast of Trivandrum, Kerala State, India. Link to MinDat.org Location Data. |
Name Origin: |
For Chera (Kerala), an ancient Dravidian kingdom predating Travancor (now Kerala State), India. |
Synonym: |
Brabantite |
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ICSD 81115 |
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PDF 33-1095 |
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