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Trigonite Mineral Data
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General Trigonite Information
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 Chemical Formula: |
Pb3Mn(As+++O3)2(As+++O2OH) |
| Composition: |
Molecular Weight = 1,046.31 gm |
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Manganese 5.25 % Mn 6.78 % MnO |
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Arsenic 21.48 % As 28.36 % As2O3 |
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Hydrogen 0.10 % H 0.86 % H2O |
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Lead 59.41 % Pb 64.00 % PbO |
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Oxygen 13.76 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb3Mn2+(AsO3)2(AsO2OH) |
| Environment: |
In a metamorphosed Fe-Mn orebody. |
| IMA Status: |
Valid Species (Pre-IMA) 1920 |
| Locality: |
Langban, Varmland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for triangle, alluding to the characteristic crystal outline |
| Name Pronunciation: |
Trigonite + Pronunciation  |
| Synonym: |
ICSD 100410 |
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PDF 23-330 |
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