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Cassidyite Mineral Data
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General Cassidyite Information
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 Chemical Formula: |
Ca2(Ni,Mg)(PO4)2•2(H2O) |
| Composition: |
Molecular Weight = 356.22 gm |
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Calcium 22.50 % Ca 31.48 % CaO |
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Magnesium 1.71 % Mg 2.83 % MgO |
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Nickel 12.36 % Ni 15.73 % NiO |
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Phosphorus 17.39 % P 39.85 % P2O5 |
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Hydrogen 1.13 % H 10.11 % H2O |
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Oxygen 44.91 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2Ni0.75Mg0.25(PO4)2•2(H2O) |
| Environment: |
Alteration product of a highly weathered iron-nickel meteorite, formed by alteration of schreibersite. |
| IMA Status: |
Approved IMA 1967 |
| Locality: |
Wolf Creek meteorite. Link to MinDat.org Location Data. |
| Name Origin: |
Named for William A. Cassidy, who mapped the Wolf Creek, Australia, crater in 1953. |
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