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Unakite

Physical Properties of Unakite
Mohs Hardness6 to 7
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Specific Gravity2.85 to 3.20
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Optical Properties of Unakite
Refractive Index1.525 (+/-) to 1.760 (+/-)
Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Further Information
Mineral information:Unakite information at mindat.org
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