Item No : 6981629 Gemstone Type : Natural Deep Green Emerald with Natural Inclution Approx. Weight (ct) : 1.00 Cts. Shape : Oval Cut Size/Dimension : 8 x 6 MM Depth : 3 MM Color : Green Clarity : Translucent Luster : Good Origin : India Hardness : 7.5 Specific Gravity : 2.67 - 2.84 Refractive Index : 1.56 - 1.59 Chemical Composition : Be3Al2(Si03)6 Treatment : Natural