Artificial quartz.
Quartz.
Quartz.
Silica quartz.
Silica quartz.
Quartz.
Quartz.
Quartz.
Quartz.
Quartz.
Quartz.
Quartz powder.
Quartz.
Quartz.
Quartz.
Crytal quartz.
Quartz Silica Stone.
Quartz.
Smokey quartz.
It is the finest quality silica quartz used in making glass, ceramics, and other Silica containing products, and as an abrasive and filtering agent. It is also used in the manufacture of many optical parts such as lenses, mirrors, UV and IR transmitting optics