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Carminite Mineral Data
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General Carminite Information
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 Chemical Formula: |
PbFe+++2(AsO4)2(OH)2 |
| Composition: |
Molecular Weight = 639.87 gm |
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Aluminum 0.08 % Al 0.16 % Al2O3 |
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Iron 16.58 % Fe 23.71 % Fe2O3 |
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Cobalt 0.09 % Co 0.12 % CoO |
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Copper 0.10 % Cu 0.12 % CuO |
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Arsenic 23.42 % As 35.92 % As2O5 |
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Hydrogen 0.32 % H 2.86 % H2O |
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Lead 34.32 % Pb 36.97 % PbO |
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Oxygen 25.08 % O |
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______ ______ |
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100.00 % 99.86 % = TOTAL OXIDE |
| Empirical Formula: |
Pb1.06Co0.01Cu0.01Fe3+1.9Al0.02(AsO4)2(OH)2.03 |
| Environment: |
Found as an uncommon alteration product of arsenopyrite in some oxidized lead-bearing mineral deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1850 |
| Locality: |
Ojuela mine, Mapim�I, Mexico. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the characteristic carmine color. |
| Name Pronunciation: |
Carminite + Pronunciation  |
| Synonym: |
ICSD 81118 |
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PDF 39-1355 |
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