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Hemihedrite Mineral Data
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General Hemihedrite Information
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 Chemical Formula: |
Pb10Zn(CrO4)6(SiO4)2F2 |
| Composition: |
Molecular Weight = 3,055.52 gm |
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Zinc 2.14 % Zn 2.66 % ZnO |
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Chromium 10.21 % Cr 19.64 % CrO3 |
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Silicon 1.84 % Si 3.93 % SiO2 |
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Lead 67.81 % Pb 73.05 % PbO |
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Oxygen 16.76 % O |
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Fluorine 1.24 % F 1.24 % F |
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- %
F -0.52 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb10Zn(CrO4)6(SiO4)2F2 |
| Environment: |
Secondary lead mineral from oxidized primary minerals. |
| IMA Status: |
Approved IMA 1967 |
| Locality: |
Florence mine, Pinal County and Pack Rat claim, Whickenburg, Maricopa County, Arizona, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its hemihedral crystal morphology. |
| Name Pronunciation: |
Hemihedrite + Pronunciation  |
| Synonym: |
ICSD 15175 |
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PDF 24-1457 |
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