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Britholite-(Ce) Mineral Data
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General Britholite-(Ce) Information
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 Chemical Formula: |
(Ce,Ca,Th,La,Nd)5(SiO4,PO4)3(OH,F) |
| Composition: |
Molecular Weight = 762.67 gm |
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Calcium 14.71 % Ca 20.59 % CaO |
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Lanthanum 7.29 % La 8.54 % La2O3 |
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Cerium 16.53 % Ce 19.37 % Ce2O3 |
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Thorium 18.25 % Th 20.77 % ThO2 |
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Silicon 9.94 % Si 21.27 % SiO2 |
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Phosphorus 2.03 % P 4.65 % P2O5 |
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Hydrogen 0.11 % H 0.94 % H2O |
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Neodymium 3.78 % Nd 4.41 % Nd2O3 |
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Oxygen 26.85 % O |
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Fluorine 0.50 % F 0.50 % F |
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- %
F -0.21 % -O=F2 |
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______ ______ |
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100.00 % 104.44 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2.8Ce0.9Th0.6La0.4Nd0.2Si2.7P0.5O12(OH)0.8F0.2 |
| Environment: |
In nepheline syenites, pegmatites and contact deposits related to them. |
| IMA Status: |
Valid Species (Pre-IMA) 1901 |
| Locality: |
Julianehaab, South Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek for weight, in allusion to its density and the content of Ce. |
| Name Pronunciation: |
Britholite-(Ce) + Pronunciation  |
| Synonym: |
Beckelite |
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Beckelite-(Ce) |
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ICSD 33858 |
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Lessingite |
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Lessingite-(Ce) |
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PDF 31-892 |
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Pravdite |
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