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Ilesite Mineral Data
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General Ilesite Information
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 Chemical Formula: |
(Mn,Zn,Fe++)SO4•4(H2O) |
| Composition: |
Molecular Weight = 226.29 gm |
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Manganese 14.57 % Mn 18.81 % MnO |
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Zinc 8.67 % Zn 10.79 % ZnO |
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Iron 2.47 % Fe 3.17 % FeO |
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Hydrogen 3.56 % H 31.84 % H2O |
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Sulfur 14.17 % S 35.38 % SO3 |
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Oxygen 56.56 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+0.6Zn0.3Fe2+0.1(SO4)•4(H2O) |
| Environment: |
Secondary mineral formed by oxidiation of Mn-bearing sulfide minerals. |
| IMA Status: |
Valid Species (Pre-IMA) 1881 |
| Locality: |
Sulfide veins at the head of Hall Valley, Park County, Colorado, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Malvern W. Iles (1853-1890), American metallurgist, Denver, Colorado. |
| Name Pronunciation: |
Ilesite  |
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