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Sibelco silica (quartz) sands and flours deliver benefits across a wide range of applications including glass, ceramics, construction, metallurgy, sports turf and many others.
pile of limestone quarry on background of blue sky



Silica (SiO2) is the term used to describe a group of minerals composed of oxygen and silicon. Whilst it is the world’s second most abundant mineral, products containing at least 98% SiO2 are needed for industrial use.

At Sibelco, we produce the
crystalline forms
of silica – quartz and cristobalite – as both
. As a hard, chemically inert mineral with a high melting point, silica delivers a range of benefits across multiple applications.

We offer a wide range of silica products in various formats, including:

  • Dry ( incl. calibrated, resin-coated & coloured)
  • Wet (incl. calibrated)
  • Low iron
  • Flours ( incl. low iron, fused and micronised)
  • Calcined sands & flours
  • Crude
  • Gravel


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