... service. 4. free sampling offer 5. current stock Hard China glass cabochon stones in opaque and milky color effect for fashion ... .gemstone speciification Material K9 Glass material, good color and tranparency. high hardness Shape Round,oval,pear,heart,square,water drop,hexagon,rectangular ... , Cabochon cut. Millennium cut, Concave cut.Customized cutting is welcome. glass bead for garment and jewelry