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