Diamond, an allotrope of carbon, is the nature known in the most hard substances, natural and artificial two categories. Natural Diamond is produced only for kimberlite pipes. Kimberlite is their native rocks, and other places of the diamond are rivers, glaciers and other handling past. Diamond commonly known as "Diamond", that is, we often say that the Diamond is a pure carbon composition of the mineral. Carbon can be in high temperature, under high pressure to form Diamond. Diamond is the atomic crystal, with its element symbol is annotated to indicate the [C Diamond button.

Diamond is generally granular, with a variety of colors, from colorless to black, to colorless as particularly good. Diamond colors depending on the purity degree, the impurities contained in elements of type and content, and pure's colorless, and more generally showed varying degrees of yellow, brown, gray, green, blue, white and purple, pure's transparent, free of impurities translucent or opaque. Diamond's refractive index is very high dispersion performance is also very strong, this is Diamond why will reflect a colorful flash reasons.