Quartz (SiO₂)

High-purity crystalline mineral for glass, electronics, and engineered-stone applications

01

Key industries

Glass

Glass

Ceramics

Ceramics

Oil and gas

Oil & Gas

Fibre glass

Fibre Glass

Construction

Construction

02

Primary uses

  • High-purity crystalline silica for glass and fused-quartz feedstock
  • Reinforcing and body mineral in ceramics and engineered stone
  • Sized grains for filtration, foundry, and industrial media

Glass and electronics

  • Feedstock for specialty glass and fused quartz
  • High thermal and chemical resistance in demanding melts
  • Low-impurity grades for optical and electronic uses
03

Characteristics

  • Crystalline structure with high chemical purity
  • Excellent thermal and chemical resistance
  • Optical clarity in high-purity grades

Glass and electronics

  • Stable under high processing temperatures
  • Low contamination risk in refined grades
04

Key properties

  • Mohs hardness 7
  • High melting point (~1710°C)
  • Chemically inert
  • Piezoelectric in crystalline form
  • Low thermal expansion when fused

Need a custom solution?

Speak to Our Technical Expert