Facts About Quartz—Properties, Types, Uses | HubPages
Deposits of sand that have almost 100 % pure silica have been found in some locations. The sand from these deposits is used in glassmaking industry to produce container glass, flat plate glass, specialty glass, and fiberglass. Abrasive Agent. Quartz is a hard mineral and measures seven on the Moh''s scale and is an excellent abrasive substance.