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Roselite-beta Mineral Data
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General Roselite-beta Information
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 Chemical Formula: |
Ca2(Co,Mg)(AsO4)2•2(H2O) |
| Composition: |
Molecular Weight = 444.30 gm |
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Calcium 18.04 % Ca 25.24 % CaO |
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Magnesium 1.37 % Mg 2.27 % MgO |
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Cobalt 9.95 % Co 12.65 % CoO |
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Arsenic 33.73 % As 51.73 % As2O5 |
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Hydrogen 0.91 % H 8.11 % H2O |
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Oxygen 36.01 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Co0.75Mg0.25(AsO4)2•2(H2O) |
| Environment: |
Secondary arsenate mineral. |
| IMA Status: |
Valid Species (Pre-IMA) 1955 |
| Locality: |
Schneeberg, Saxony, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its dimorphic relationship with roselite. |
| Name Pronunciation: |
Roselite-beta  |
| Synonym: |
Beta-roselite |
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