Tsavorite Green YAG 8-10 mm Round Brilliant Minimum 2.50 Carat Flawless Gem

Yttrium aluminium garnet
General
Category synthetic mineral
Formula
(repeating unit) Y3Al5O12
Crystal system cubic
Identification
Color usually colorless, but may be pink, red, orange, yellow, green, blue, purple
Cleavage none
Fracture conchoidal to uneven
Mohs scalehardness 8.5
Luster vitreous to subadamantine
Specific gravity 4.5 - 4.6
Polish luster vitreous to subadamantine
Optical properties Single refractive
Refractive index 1.833 (+/- .010)
Birefringence none
Pleochroism none
Dispersion .028

This is a rare Green YAG that is the best simulant for Tsavorite Garnet as there is no synthetic available.