| General Information |
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| Chemical Formula | Anthony et al, Handbook of mineralogy (2001) |
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| Physical Properties of Sussexite |
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| Mohs Hardness | 3 to 3.5Anthony et al, Handbook of mineralogy (2001) |
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| Specific Gravity | 3.30Anthony et al, Handbook of mineralogy (2001) |
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| Optical Properties of Sussexite |
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| Optical Character | Biaxial/-Anthony et al, Handbook of mineralogy (2001) |
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| Dispersion | 1.670 to 1.732Anthony et al, Handbook of mineralogy (2001) |
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| Colour |
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| Colour (General) | White to buff, straw-yellow, pale pink; colorless 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 | Silky,Dull (Earthy)Anthony et al, Handbook of mineralogy (2001) |
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| Crystallography of Sussexite |
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| Crystal System | MonoclinicAnthony et al, Handbook of mineralogy (2001) |
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| Habit | As bladed acicular crystals, to 7 mm; cross-vein or radial fibrous, in felted or matted aggregates, nodular.Anthony et al, Handbook of mineralogy (2001) |
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| Geological Environment |
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| Where found: | A rare hydrothermal mineral typically in veinlets in boron-bearing metamorphosed Mn–Fe–Zn deposits.Anthony et al, Handbook of mineralogy (2001) |
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| Further Information |
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| Mineral information: | Sussexite information at mindat.org |
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