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Margarite Mineral Data
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General Margarite Information
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 Chemical Formula: |
CaAl2(Al2Si2)O10(OH)2 |
| Composition: |
Molecular Weight = 398.18 gm |
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Calcium 10.07 % Ca 14.08 % CaO |
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Aluminum 27.10 % Al 51.21 % Al2O3 |
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Silicon 14.11 % Si 30.18 % SiO2 |
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Hydrogen 0.51 % H 4.52 % H2O |
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Oxygen 48.22 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaAl4Si2O10(OH)2 |
| Environment: |
Commonly associated with corundum as an alteration product. |
| IMA Status: |
Valid Species (Pre-IMA) 1823 |
| Locality: |
Corundum mines at Ekaterinurg Distict, Ural Mountains, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek margaritos - "pearl." |
| Name Pronunciation: |
Margarite  |
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