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Crystalline Silica

Alternate Names: Quartz

Oxide Analysis Formula
SiO2 100.00% 1.00
Oxide Weight 60.10
Formula Weight 60.10

Notes

This product is available from a variety of suppliers, (e.g.. Unimin Corp) and is useful as an inexpensive grog in clay bodies. The material has several advantages over traditional grog:

-It is available in select size ranges (e.g. 20-40 mesh)
-The particle shape is angular
-It is very inexpensive

On the minus side, the particles are hard and thus wear on trimming tools, pugmills, etc. will be greater. The particles are not absorbent, so the material will not route water to the surface during drying as well as traditional ground brick grog. Also, this is pure silica, so the dust hazard is greater.

Related Information

Links

Materials Quartz
Materials Silica
Materials Glass Sand
Hazards Quartz Toxicity on Clayart
Quartz is one of the most dangerous materials used in ceramics, yet it is irreplaceable. It is the most abundant mineral on earth, we must learn to use it safely.
Hazards Quartz Toxicity
Typecodes Generic Material
Generic materials are those with no brand name. Normally they are theoretical, the chemistry portrays what a specimen would be if it had no contamination. Generic materials are helpful in educational situations where students need to study material theory (later they graduate to dealing with real world materials). They are also helpful where the chemistry of an actual material is not known. Often the accuracy of calculations is sufficient using generic materials.
Typecodes Silica/Quartz
Quartz is very abundant and there are many grades and name brands.
Minerals Quartz

Data

Frit Softening Point1610C
Density (Specific Gravity)2.65

By Tony Hansen


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