What are the most common uses for quartz?

/ Quartz Crystals

COMMON USES of QUARTZ Crystals

Jewelry and gemstones. For centuries, quartz has been used in jewellery production and as gemstones.
Glassmaking.
Watches and clocks.
Foundry materials (Metal Casting Industry).
Refractory industry.
Abrasives.
Petroleum industry. Sharpening tools.
Electronics.

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