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Hewettite Mineral Data
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General Hewettite Information
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 Chemical Formula: |
CaV6O16•9(H2O) |
| Composition: |
Molecular Weight = 763.85 gm |
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Calcium 5.25 % Ca 7.34 % CaO |
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Vanadium 40.01 % V 71.43 % V2O5 |
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Hydrogen 2.38 % H 21.23 % H2O |
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Oxygen 52.36 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
CaV5+6O16•9(H2O) |
| Environment: |
Alteration product of patronite. |
| IMA Status: |
Valid Species (Pre-IMA) 1914 |
| Locality: |
Minasragra, 46 km from Cerro de Pasco, Peru. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Donnel Foster Hewett (1881-1971), geologist with the U.S. Geological Survey, who described the mineralogy of Minasragra, Peru. |
| Name Pronunciation: |
Hewettite + Pronunciation  |
| Synonym: |
ICSD 203169 |
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PDF 35-564 |
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