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Sepiolite Mineral Data
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General Sepiolite Information
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 Chemical Formula: |
Mg4Si6O15(OH)2•6(H2O) |
| Composition: |
Molecular Weight = 613.82 gm |
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Magnesium 15.84 % Mg 26.26 % MgO |
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Silicon 27.45 % Si 58.73 % SiO2 |
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Hydrogen 1.97 % H 17.61 % H2O |
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Oxygen 54.74 % O |
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______ ______ |
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100.00 % 102.61 % = TOTAL OXIDE |
| Empirical Formula: |
Mg4Si6O15•6(H2O) |
| Environment: |
Secondary mineral associated with serpentine. Can precipitate from alkali saline waters in arid environments. |
| IMA Status: |
Valid Species (Pre-IMA) 1847 |
| Locality: |
Eski Shehr, Asia Minor. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek, sepia - "cuttlefish" and lithos - "stone." From the German, meerschaum meaning "sea froth." |
| Name Pronunciation: |
Sepiolite + Pronunciation  |
| Synonym: |
ICSD 31142 |
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Meerschaum |
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PDF 26-1226 |
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Sea Foam |
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