Green Tourmaline

Product Name:Green Tourmaline
Product Model:GTSQ4
Clarity:Clear to Medium Inclusion
Color:Light to Medium Dark
Grade:Gem
Chemical Composition:(Na,Ca)(Mg,Li,AI,Fe2+)3AI6(BO3)3Si6O18(OH)4
Density:3.06
Hardness:7.0-7.5
Origin:Africa
Refrective Index:1.624-1.644
Shape:Square
Size:4mm
Weight:6.44cts ct
Stock:In Stock