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Merwinite Mineral Data
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General Merwinite Information
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 Chemical Formula: |
Ca3Mg(SiO4)2 |
| Composition: |
Molecular Weight = 328.71 gm |
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Calcium 36.58 % Ca 51.18 % CaO |
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Magnesium 7.39 % Mg 12.26 % MgO |
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Silicon 17.09 % Si 36.56 % SiO2 |
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Oxygen 38.94 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca3Mg(SiO4)2 |
| Environment: |
In siliceous dolomitic limestone in contact metamorphic zones, formed at relatively elevated temperatures. |
| IMA Status: |
Valid Species (Pre-IMA) 1921 |
| Locality: |
Crestmore quarry, 5 miles NW of Riverside, Riverside Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Herbert Eugene Merwin (1878-1963), American mineralogist and petrologist, Carnegie Institute, Washington, D.C., USA. |
| Name Pronunciation: |
Merwinite + Pronunciation  |
| Synonym: |
ICSD 26002 |
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PDF 35-591 |
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