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Ammoniojarosite Mineral Data
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General Ammoniojarosite Information
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 Chemical Formula: |
(NH4)Fe+++3(SO4)2(OH)6 |
| Composition: |
Molecular Weight = 479.75 gm |
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Iron 34.92 % Fe 49.93 % Fe2O3 |
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Hydrogen 0.84 % H - % Calc as (NH4)2O |
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Hydrogen 1.26 % H 11.27 % H2O |
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Sulfur 13.37 % S 33.38 % SO3 |
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Nitrogen 2.92 % N 5.43 % (NH4)2O |
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Oxygen 46.69 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
(NH4)Fe3+3(SO4)2(OH)6 |
| Environment: |
Formed in black lignitic shales containing pyrite. |
| IMA Status: |
Valid Species (Pre-IMA) 1927 |
| Locality: |
Undefined locality on the "west side of the Kaibab fault, Kane Co., Utah". Link to MinDat.org Location Data. |
| Name Origin: |
Named as the ammonium analog of jarosite. |
| Name Pronunciation: |
Ammoniojarosite + Pronunciation  |
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