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Rostite Mineral Data
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General Rostite Information
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 Chemical Formula: |
AlSO4(OH,F)•5(H2O) |
| Composition: |
Molecular Weight = 230.53 gm |
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Aluminum 11.70 % Al 22.11 % Al2O3 |
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Hydrogen 4.72 % H 42.20 % H2O |
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Sulfur 13.91 % S 34.73 % SO3 |
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Oxygen 68.02 % O |
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Fluorine 1.65 % F 1.65 % F |
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- %
F -0.69 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Al(SO4)(OH)0.8F0.2•5(H2O) |
| Environment: |
Burning mine waste heaps with copiapite and ammonia alum. Dimorphous with jurbanite, compare khademite. Redefined 1987. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Schoeller Coal Mine, Libusin, Kladno district, Bohemia, Czech Republic. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Rudolph Rost (1912-), Czech mineralogist. |
| Name Pronunciation: |
Rostite  |
| Synonym: |
Lapparentite |
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