Item No : 345797
Gemstone Type : Natural Unheated White Topaz
Approx. Weight (ct) : 4.50 Ct.
Shape : Cushion Cut
Size/Dimension : 10 x 10 MM
Color : White
Clarity : Transparent
Luster : Good
Origin : Africa
Hardness : 8
Specific Gravity : 3.4 - 3.5+
Refractive Index : 1.61 -1.64
Chemical Composition : Al2(OH,F)2Si04
Treatment : Natural
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