Silica Sand is quartz that over time, through the work of water and wind, has been broken down into tiny granules.

Commercial Silica Sand is widely used as a proppant by companies involved in oil and natural gas recovery in conventional and unconventional resource plays. The resource is also used in industrial processing to make everyday items such as glass, construction materials, personal care products, electronics, and even renewable materials.
Applications:

Glass
Foundry casting
Ceramics
Filtration
Specialist building applications
Sports and leisure
Other users