Gemstone Type : Natural Red Ruby Approx. Weight (ct) : 2.25 Cts. Shape : Oval Cabochan Size/Dimension : 7 x 6 MM Depth : 4 MM Color : Red Clarity : Translucent Luster : Good Origin : Mozambique Hardness : 9 Specific Gravity : 3.9 - 4.1 Refractive Index : 1.76 - 1.78 Chemical Composition : Al2O3 Treatment : Natural