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Hectorite Mineral Data
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General Hectorite Information
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 Chemical Formula: |
Na0,3(Mg,Li)3Si4O10(OH)2 |
| Composition: |
Molecular Weight = 383.25 gm |
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Sodium 2.40 % Na 3.23 % Na2O |
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Lithium 0.54 % Li 1.17 % Li2O |
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Magnesium 17.12 % Mg 28.39 % MgO |
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Silicon 29.31 % Si 62.71 % SiO2 |
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Hydrogen 0.53 % H 4.70 % H2O |
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Oxygen 50.10 % O |
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______ ______ |
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100.00 % 100.21 % = TOTAL OXIDE |
| Empirical Formula: |
Na0.4Mg2.7Li0.3Si4O10(OH)2 |
| Environment: |
Clay mineral from altered volcanic tuff ash with a high silica content related to hot spring activity. Smectite group mineral. |
| IMA Status: |
Valid Species (Pre-IMA) 1936 |
| Locality: |
Company No. 1 mine, 3 miles south of Hector, San Bernardino Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Named after it's locality. |
| Name Pronunciation: |
Hectorite + Pronunciation  |
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