Gemstone Type : Natural Tourmaline
Approx. Weight (ct) : 2.10 Cts.
Shape : Oval Cabochan
Size/Dimension : 5 x 4 MM Depth : 2.5 MM
Color : Fancy Color
Clarity : Transparent
Luster : Good
Origin : Africa
Hardness : 7.5
Specific Gravity : 3.0+
Refractive Index : 1.62 - 1.68
Chemical Composition :
Na(Li,al)3al6si6o18(Bo3)3(Oh)4
Treatment : Natural
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