| Mineral | Olivenite |
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| Formula | Cu2(AsO4)(OH) |
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| Crystal Form | Monoclinic/Prismatic [2/m] |
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| Cleavage | Indistinct on {101} and {110} |
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| Color | Olive green to Yellow or Brown, Gray-green, Grayish white |
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| Density | 4.5 – 4.5 g/cm3 |
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| Diaphaneity | Transparent to Opaque |
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| Fracture | Irregular, Conchoidal |
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| Hardness | 3.0 |
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| Lustre | Sub-Adamantine, Sub-Vitreous, Resinous, Silky, Pearly |
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| Streak | Olive green to Brown |
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| Type Loc. | Carharrack Mine, St Day United Mines, Gwennap, Camborne - Redruth - St Day Dist., Cornwall, England, UK |
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| Dana 8 Class | 41.6.6.1 |
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| Strunz Class | 7/B.06-20 |
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| Mindat | mindat.org |
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| WebMineral | WebMineral |
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| ID | 358 |
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