Quartz is one of the most useful natural materials. Its usefulness can be linked to its physical and chemical properties. It has a hardness of seven on the Mohs Scale which makes it very durable. It is chemically inert in contact with most substances
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Uses of Quartz as an Abrasive
Uses in the Petroleum Industry -Quartz sand has a high resistance to being crushed. In the petroleum industry sand slurries are forced down oil and gas wells under very high pressures in a process known ashydraulic fracturing. This high pressure fractures the reservoir rocks and the sandy slurry injects into the fractures. The durable sand grains hold the fractures open after the pressure is released.
Many Other Quartz Sand Uses
Uses of Quartz Crystals
Quartz as a Gemstone
Special Silica Stone Uses