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Bernalite Mineral Data
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General Bernalite Information
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 Chemical Formula: |
Fe(OH)3 |
| Composition: |
Molecular Weight = 108.14 gm |
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Zinc 1.21 % Zn 1.51 % ZnO |
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Iron 45.96 % Fe 65.71 % Fe2O3 |
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Silicon 1.82 % Si 3.89 % SiO2 |
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Hydrogen 2.80 % H 24.99 % H2O |
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Lead 3.83 % Pb 4.13 % PbO |
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Oxygen 44.38 % O |
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______ ______ |
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100.00 % 100.22 % = TOTAL OXIDE |
| Empirical Formula: |
Fe3+0.89Si0.07Pb0.02Zn0.02(OH)3 |
| Environment: |
On a museum specimen from a metamorphosed Pb-Zn deposit, probably from the surface oxidation zone. |
| IMA Status: |
Approved IMA 1993 |
| Locality: |
From the Proprietary mine, Broken Hill, New South Wales, Australia. Link to MinDat.org Location Data. |
| Name Origin: |
To honor John Desmond Bernal (1901-1971), eminent British crystallographer and historian of science. |
| Name Pronunciation: |
Bernalite + Pronunciation  |
| Synonym: |
ICSD 73441 |
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PDF 46-1436 |
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