Item No : 588954 Gemstone Type : Natural Lemon Quartz Approx. Weight (ct) : 4.60 Ct. Shape : Oval Size/Dimension : 12 x 10 MM Color : Lemon Yellow Clarity : Transparent Luster : Good Origin : Africa Hardness : 7 Specific Gravity : 2.65 - 2.91 Refractive Index : 1.544- 1.553 Chemical Composition : Si02 Treatment : Natural