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Villyaellenite Mineral Data
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General Villyaellenite Information
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 Chemical Formula: |
Mn++5(AsO3OH)2(AsO4)2•4(H2O) |
| Composition: |
Molecular Weight = 904.44 gm |
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Manganese 30.37 % Mn 39.22 % MnO |
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Arsenic 33.13 % As 50.82 % As2O5 |
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Hydrogen 1.11 % H 9.96 % H2O |
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Oxygen 35.38 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+5(AsO3OH)2(AsO4)2•4(H2O) |
| Environment: |
Forms a series with sainfeldite. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Ste.-Marie-aux-Mines, Vosges Mountains, Alsace, France. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Villy Aellen, director of the Natural History Museum of Geneva, Switzerland. |
| Name Pronunciation: |
Villyaellenite + Pronunciation  |
| Synonym: |
ICSD 202708 |
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PDF 41-1455 |
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