Tsavorite Green YAG 8 mm Round Brilliant Minimum 2.50 Carat Flawless Gem

Yttrium aluminium garnet General Categorysynthetic mineral Formula (repeating unit)Y3Al5O12 Crystal systemcubic Identification Colorusually colorless, but may be pink, red, orange, yellow, green, blue, purple Cleavagenone Fractureconchoidal to uneven Mohs scalehardness8.5 Lustervitreous to subadamantine Specific gravity4.5 – 4.6 Polish lustervitreous to subadamantine Optical propertiesSingle refractive Refractive index1.833 (+/- .010) Birefringencenone Pleochroismnone Dispersion.028 This is a rare Green YAG that is the best simulant for Tsavorite Garnet as there is no synthetic available.