General Information |
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Chemical Formula | Anthony et al, Handbook of mineralogy (2001) |
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Physical Properties of Chalcopyrite |
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Mohs Hardness | 3.5 to 4Anthony et al, Handbook of mineralogy (2001) |
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Specific Gravity | 4.1 to 4.3Anthony et al, Handbook of mineralogy (2001) |
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Cleavage Quality | PoorAnthony et al, Handbook of mineralogy (2001) |
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Colour |
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Colour (General) | Brass-yellow, may be tarnished and iridescent.Anthony et al, Handbook of mineralogy (2001) |
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Transparency | OpaqueAnthony et al, Handbook of mineralogy (2001) |
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Lustre | MetallicAnthony et al, Handbook of mineralogy (2001) |
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Crystallography of Chalcopyrite |
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Crystal System | TetragonalAnthony et al, Handbook of mineralogy (2001) |
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Habit | Equant, tetrahedral-shaped crystals, may be modified by scalenohedral faces, to as large as 10 cm. Sphenoidal faces typically large, dull in luster and striated. Commonly massive, compact; can be botryoidalAnthony et al, Handbook of mineralogy (2001) |
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Geological Environment |
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Where found: | A primary mineral in hydrothermal veins, stockworks, disseminations, and massive replacements; an exsolution product in mafic igneous rocks; of sedimentary origin controlled by redox conditions.Anthony et al, Handbook of mineralogy (2001) |
Further Information |
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Mineral information: | Chalcopyrite information at mindat.org |
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