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Jarosite Mineral Data
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General Jarosite Information
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 Chemical Formula: |
KFe+++3(SO4)2(OH)6 |
| Composition: |
Molecular Weight = 500.81 gm |
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Potassium 7.81 % K 9.40 % K2O |
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Iron 33.45 % Fe 47.83 % Fe2O3 |
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Hydrogen 1.21 % H 10.79 % H2O |
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Sulfur 12.81 % S 31.97 % SO3 |
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Oxygen 44.73 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
KFe3+3(SO4)2(OH)6 |
| Environment: |
Secondary mineral, forming under conditions of weathering in arid climates. |
| IMA Status: |
Valid Species (Pre-IMA) 1852 |
| Locality: |
Barranco Jaroso in southern Spain. Link to MinDat.org Location Data. |
| Name Origin: |
Named after its locality. |
| Name Pronunciation: |
Jarosite  |
| Synonym: |
ICSD 12107 |
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PDF 36-427 |
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Utahite |
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