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Picropharmacolite Mineral Data
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General Picropharmacolite Information
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 Chemical Formula: |
Ca4Mg(AsO3OH)2(AsO4)2•11(H2O) |
| Composition: |
Molecular Weight = 940.48 gm |
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Calcium 17.05 % Ca 23.85 % CaO |
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Magnesium 2.58 % Mg 4.29 % MgO |
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Arsenic 31.87 % As 48.88 % As2O5 |
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Hydrogen 2.57 % H 22.99 % H2O |
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Oxygen 45.93 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca4Mg(AsO3OH)2(AsO4)2•11(H2O) |
| Environment: |
Secondary mineral formed in the oxidation zone of arsenic ore deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1819 |
| Locality: |
Riechelsdorf, Hessen, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its magnesia content and the similarity to pharmacolite. |
| Name Pronunciation: |
Picropharmacolite + Pronunciation  |
| Synonym: |
ICSD 100730 |
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PDF 14-222 |
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