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Allanite-(Ce) Mineral Data
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General Allanite-(Ce) Information
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 Chemical Formula: |
(Ce,Ca,Y)2(Al,Fe+++)3(SiO4)3(OH) |
| Composition: |
Molecular Weight = 614.71 gm |
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Calcium 3.91 % Ca 5.47 % CaO |
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Cerium 27.35 % Ce 32.04 % Ce2O3 |
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Yttrium 4.34 % Y 5.51 % Y2O3 |
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Aluminum 9.88 % Al 18.66 % Al2O3 |
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Iron 6.81 % Fe 9.74 % Fe2O3 |
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Silicon 13.71 % Si 29.32 % SiO2 |
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Hydrogen 0.16 % H 1.47 % H2O |
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Oxygen 33.84 % O |
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______ ______ |
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100.00 % 102.21 % = TOTAL OXIDE |
| Empirical Formula: |
Ce1.2Ca0.6Y0.3Al2.25Fe3+0.75(SiO4)3(OH) |
| IMA Status: |
Valid Species (Pre-IMA) 1810 - Dana Number Modified from 58.2.1a.1 |
| Locality: |
Greenland, Qaqarssuatsiaq Link to MinDat.org Location Data. |
| Name Origin: |
Named after the Scottish mineralogist, T. Allan (1777-1833). |
| Name Pronunciation: |
Allanite-(Ce)  |
| Synonym: |
ICSD 15190 |
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Orthite |
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PDF 25-169 |
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