... service. 4. free sampling offer 5. current stock Hard China glass cabochon stones in opaque and milky color effect for fashion ... styles an colors, and competitive prices.gemstone speciification Material K9 Glass material, good color and tranparency. high hardness Shape Round,oval ... ,rectangular,star-cut(8 hearts&8 arrows)etc Color White,red,blue,green,yellow,golden,orange,grey coffee,brown,and so ...