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Amesite Mineral Data
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General Amesite Information
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 Chemical Formula: |
Mg2Al(SiAl)O5(OH)4 |
| Composition: |
Molecular Weight = 278.68 gm |
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Magnesium 17.44 % Mg 28.92 % MgO |
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Aluminum 19.36 % Al 36.59 % Al2O3 |
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Silicon 10.08 % Si 21.56 % SiO2 |
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Hydrogen 1.45 % H 12.93 % H2O |
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Oxygen 51.67 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2Al2SiO5(OH)4 |
| Environment: |
A product of low-grade metamorphism of Al, Mg-rich rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1876 |
| Locality: |
At the Emery mine, Chester, Hampden Co., Massachusetts, USA. From the Lake Asbestos mine, Black Lake Link to MinDat.org Location Data. |
| Name Origin: |
Honors James Ames, a mine owner. |
| Name Pronunciation: |
Amesite  |
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