Detailed Product Description

 Blue diamond has the top quality in the black granite, famous as the first class of West China. It is very rare in the global stone market, recognized as one of rare and valued species. The main ores of blue diamond are hypersthene, hornblende, and basic plagioclase, including a little olivine, biotite, chlorite and magnetite. According to the testing, the radioactivity R of blue diamond is less than 3.8, and is future lower than the standard of 4.0. The physical and chemical standards demands are in accord with the standards of national stone quality.

Thickness: 20mm, 25mm, 30mm

Provide all kinds of sizes, such as 300*300mm (12*12) 400*400 (16*16) 600*300mm (24*12) 600*400 (24*16) 600*600 (24*24) 900*600 (36*24) or as per clients requirement crate packing.