Dimond Clock Wallpapers

Features Dimond Clock Wallpapers

native crystalline carbon that is the hardest known mineral, that is usually nearly colorless, that when transparent and free from flaws is highly valued as a precious stone, and that is used industrially especially as an abrasive.
also : a piece of this substance.diamond, a mineral composed of pure carbon.
It is the hardest naturally occurring substance known; it is also the most popular gemstone.
Because of their extreme hardness, diamonds have a number of important industrial applications.