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Rokuhnite Mineral Data
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General Rokuhnite Information
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 Chemical Formula: |
Fe++Cl2•(H2O) |
| Composition: |
Molecular Weight = 144.77 gm |
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Iron 38.58 % Fe 49.63 % FeO |
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Hydrogen 1.39 % H 12.44 % H2O |
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Chlorine 48.98 % Cl 48.98 % Cl |
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- % Cl -11.05 % -O=Cl2
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Oxygen 11.05 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe2+Cl2•(H2O) |
| Environment: |
Secondary mineral in fissures in earlier potassium-rich salt beds. |
| IMA Status: |
Approved IMA 1980 |
| Locality: |
Salzdetfurth potash mine, Hamelyn, Lower Saxony, Germany. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Robert K�uhn (1911- ), German mineralogist, Kaliforschungs-Institut der Kali und Salz AG, Hannover, Germany. |
| Name Pronunciation: |
Rokuhnite + Pronunciation  |
| Synonym: |
Rokuehnite |
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