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Krohnkite Mineral Data
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General Krohnkite Information
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 Chemical Formula: |
Na2Cu(SO4)2•2(H2O) |
| Composition: |
Molecular Weight = 337.68 gm |
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Sodium 13.62 % Na 18.35 % Na2O |
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Copper 18.82 % Cu 21.19 % Cu2O |
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Hydrogen 1.19 % H 10.67 % H2O |
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Sulfur 18.99 % S 47.42 % SO3 |
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Oxygen 47.38 % O |
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______ ______ |
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100.00 % 97.63 % = TOTAL OXIDE |
| Empirical Formula: |
Na2Cu(SO4)2•2(H2O) |
| Environment: |
Secondary mineral in copper-bearing sulfide deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1876 |
| Locality: |
Chuquicamata, Calama, Antofag�sta Province, Chile. Link to MinDat.org Location Data. |
| Name Origin: |
Named after B. Kroehnke, who was the first person to analyze it. |
| Synonym: |
Kroehnkite |
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