Sapphire glass is a synthetic sapphire,Gem-grade sapphires can be easily and cheaply produced in the laboratory and have the same chemical composition and physical properties as natural gems.

 sapphire waferis one of the hardest materials, is come from 99.999％ Al2O3 single crystal,
and possesses very good transmission during the range ofvisible and near IR spectrum.

Sapphire is the general name for corundum stones of all colors except the red ruby. Its main ingredient is alumina (AI2O3). It drives development of new markets like general lighting, backside lighting in TV-sets, displays, consumer appliances, aerospace and defense, and other applications