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Hydrotungstite Mineral Data
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General Hydrotungstite Information
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 Chemical Formula: |
H2WO4•(H2O) |
| Composition: |
Molecular Weight = 267.88 gm |
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Hydrogen 1.51 % H 13.45 % H2O |
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Tungsten 68.63 % W 86.55 % WO3 |
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Oxygen 29.86 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
H2(WO4)•(H2O) |
| Environment: |
An alteration product of ferberite in the oxidized zone of a hydrothermal tungsten deposit, where it was an ore mineral. |
| IMA Status: |
Valid Species (Pre-IMA) 1944 |
| Locality: |
Oruro district, at the San Antonio de Calacalani mine, near Colquiri, and in the Juliani mine, Bolivia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its content of H2O and relation to tungstite. |
| Name Pronunciation: |
Hydrotungstite + Pronunciation  |
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