| General Information |
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| Chemical Formula | Anthony et al, Handbook of mineralogy (2001) |
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| Physical Properties of Sonolite |
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| Mohs Hardness | 5.5Anthony et al, Handbook of mineralogy (2001) |
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| Specific Gravity | 3.82 to 4.00Anthony et al, Handbook of mineralogy (2001) |
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| Optical Properties of Sonolite |
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| Refractive Index | 1.763 to 1.793Anthony et al, Handbook of mineralogy (2001) |
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| Optical Character | Biaxial/-Anthony et al, Handbook of mineralogy (2001) |
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| Colour |
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| Colour (General) | Brown, dark brown, reddish brown to reddish orange; colorless in thin section.Anthony et al, Handbook of mineralogy (2001) |
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| Transparency | TransparentAnthony et al, Handbook of mineralogy (2001) |
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| Lustre | Vitreous,Dull (Earthy)Anthony et al, Handbook of mineralogy (2001) |
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| Crystallography of Sonolite |
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| Crystal System | MonoclinicAnthony et al, Handbook of mineralogy (2001) |
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| Habit | Crystals prismatic to anhedral, to 2.5 cm; granular.Anthony et al, Handbook of mineralogy (2001) |
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| Geological Environment |
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| Where found: | In metamorphosed manganese-rich deposits.Anthony et al, Handbook of mineralogy (2001) |
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| Further Information |
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| Mineral information: | Sonolite information at mindat.org |
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