Gemstone Type : Natural Golden Black Star Sapphire 6 Rays
Approx. Weight (ct) : 1.65 Cts.
Shape : Oval Cabochan
Size/Dimension : 8 x 6 MM Depth : 3 MM
Color : Black
Clarity : Opaque
Luster : Fine
Origin : Thailand
Hardness : 9
Specific Gravity : 3.9 - 4.2
Refractive Index : 1.76 - 1.79
Chemical Composition :
Al2O4
Treatment : Natural
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