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Tiragalloite Mineral Data
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General Tiragalloite Information
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 Chemical Formula: |
Mn++4As+++++Si3O12(OH) |
| Composition: |
Molecular Weight = 587.93 gm |
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Manganese 37.38 % Mn 48.26 % MnO |
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Silicon 14.33 % Si 30.66 % SiO2 |
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Arsenic 12.74 % As 19.55 % As2O5 |
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Hydrogen 0.17 % H 1.53 % H2O |
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Oxygen 35.38 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+4AsSi3O12(OH) |
| Environment: |
Veinlets cutting massive braunite and quartz. |
| IMA Status: |
Approved IMA 1980 |
| Locality: |
Molinello, Chiavari, Val Graveglia, Liguria, Italy. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Paolo Tiragallo (1905-). |
| Name Pronunciation: |
Tiragalloite + Pronunciation  |
| Synonym: |
ICSD 8188 |
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PDF 33-889 |
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