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Osakaite Mineral Data
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General Osakaite Information
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 Chemical Formula: |
Zn4SO4(OH)6•5H2O |
| Composition: |
Molecular Weight = 548.75 gm |
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Zinc 44.69 % Zn 55.62 % ZnO |
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Copper 2.78 % Cu 3.48 % CuO |
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Hydrogen 2.93 % H 26.17 % H2O |
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Sulfur 5.90 % S 14.74 % SO3 |
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Oxygen 43.71 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Zn3.75Cu0.24(SO4)1.01(OH)5.96•4.99(H2O) |
| Environment: |
Found in gallery walls and in cracks in Jurassic shales (Cu, Zn, Pb, Fe, and Mn deposits). New structure type. Dehydrates to namuwite. |
| IMA Status: |
Approved IMA 2006 (Dana # Added) |
| Locality: |
Hirao mine, Minoo (Minoh) City, Osaka Prefecture, Japan Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality. |
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