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Machatschkiite Mineral Data
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General Machatschkiite Information
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 Chemical Formula: |
Ca6(AsO4)(AsO3OH)3(PO4,SO4)•15(H2O) |
| Composition: |
Molecular Weight = 1,424.07 gm |
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Calcium 16.89 % Ca 23.63 % CaO |
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Arsenic 21.04 % As 32.28 % As2O5 |
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Phosphorus 1.52 % P 3.49 % P2O5 |
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Hydrogen 2.34 % H 20.87 % H2O |
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Sulfur 6.76 % S 16.87 % SO3 |
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Oxygen 51.46 % O |
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______ ______ |
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100.00 % 97.14 % = TOTAL OXIDE |
| Empirical Formula: |
Ca6(AsO4)(AsO3OH)3(PO4)0.7(SO4)3•15(H2O) |
| Environment: |
Secondary mineral in crusts on granite. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
Anton mine, Heubachtal, near Schiltach, black Forest, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Felix Karl Ludwig Machatschki (1895-1970), Professor of Mineralogy, University of Vienna, Austria. |
| Name Pronunciation: |
Machatschkiite + Pronunciation  |
| Synonym: |
ICSD 31267 |
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PDF 29-296 |
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