| General Information |
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| Chemical Formula | Anthony et al, Handbook of mineralogy (2001) |
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| Physical Properties of Cobaltite |
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| Mohs Hardness | 5.5Anthony et al, Handbook of mineralogy (2001) |
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| Specific Gravity | 6.33Anthony et al, Handbook of mineralogy (2001) |
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| Tenacity | BrittleAnthony et al, Handbook of mineralogy (2001) |
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| Cleavage Quality | PerfectAnthony et al, Handbook of mineralogy (2001) |
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| Fracture | UnevenAnthony et al, Handbook of mineralogy (2001) |
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| Optical Properties of Cobaltite |
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| Pleochroism | Very weak, on grain boundariesAnthony et al, Handbook of mineralogy (2001) |
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| Colour |
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| Colour (General) | Silver-whiteAnthony et al, Handbook of mineralogy (2001) |
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| Transparency | OpaqueAnthony et al, Handbook of mineralogy (2001) |
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| Crystallography of Cobaltite |
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| Crystal System | OrthorhombicAnthony et al, Handbook of mineralogy (2001) |
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| Habit | Commonly as pseudocubic or pseudopyritohedral crystals, or combinations having striated faces as with pyrite, to as large as 8 cm, also as pseudo-octahedra; granular massive.Anthony et al, Handbook of mineralogy (2001) |
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| Geological Environment |
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| Where found: | In high-temperature hydrothermal deposits, as disseminations, and as veins in contact metamorphosed rocks.Anthony et al, Handbook of mineralogy (2001) |
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| Further Information |
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| Mineral information: | Cobaltite information at mindat.org |
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