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Beidellite Mineral Data
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General Beidellite Information
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 Chemical Formula: |
Na0.5Al2(Si3.5Al0.5)O10(OH)2•n(H2O) |
| Composition: |
Molecular Weight = 389.27 gm |
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Sodium 2.95 % Na 3.98 % Na2O |
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Aluminum 17.33 % Al 32.74 % Al2O3 |
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Silicon 25.25 % Si 54.02 % SiO2 |
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Hydrogen 1.04 % H 9.26 % H2O |
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Oxygen 53.43 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.5Al2.5Si3.5O10(OH)2•(H2O) |
| IMA Status: |
Valid Species (Pre-IMA) 1925 |
| Locality: |
Beidell, Colorado, USA.. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. |
| Name Pronunciation: |
Beidellite + Pronunciation  |
| Synonym: |
Bentonite |
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Montmorillonite(Ca) |
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Montmorillonite(Na) |
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