| General Information |
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| Chemical Formula | Anthony et al, Handbook of mineralogy (2001) |
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| Physical Properties of Caledonite |
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| Mohs Hardness | 2.5 to 3Anthony et al, Handbook of mineralogy (2001) |
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| Specific Gravity | 5.6 to 5.76Anthony et al, Handbook of mineralogy (2001) |
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| Tenacity | BrittleAnthony et al, Handbook of mineralogy (2001) |
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| Cleavage Quality | Perfect,ImperfectAnthony 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 Caledonite |
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| Refractive Index | 1.818 to 1.909Anthony et al, Handbook of mineralogy (2001) |
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| Optical Character | Biaxial/-Anthony et al, Handbook of mineralogy (2001) |
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| Pleochroism | WeakAnthony et al, Handbook of mineralogy (2001) |
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| Dispersion | Barely perceptibleAnthony et al, Handbook of mineralogy (2001) |
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| Colour |
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| Colour (General) | Deep verdigris-green, blue-green; pale bluish green in transmitted light.Anthony et al, Handbook of mineralogy (2001) |
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| Transparency | Transparent,TranslucentAnthony et al, Handbook of mineralogy (2001) |
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| Lustre | Vitreous,ResinousAnthony et al, Handbook of mineralogy (2001) |
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| Crystallography of Caledonite |
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| Crystal System | OrthorhombicAnthony et al, Handbook of mineralogy (2001) |
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| Habit | As striated prismatic crystals, to 2.5 cm, typically flattened and displaying many forms. In divergent aggregates, rarely fibrous; as massive coatings.Anthony et al, Handbook of mineralogy (2001) |
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| Geological Environment |
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| Where found: | An uncommon secondary mineral in the oxidized portions of Pb–Cu deposits.Anthony et al, Handbook of mineralogy (2001) |
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| Further Information |
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| Mineral information: | Caledonite information at mindat.org |
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| Significant Gem Localities |
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