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Calcium Zircon Silicate


Oxide Analysis Formula
CaO 23.43% 1.00
ZrO2 51.46% 1.00
SiO2 25.10% 1.00
Oxide Weight 239.41
Formula Weight 239.41


Was used in high fire glazes as the sole opacifier. It can be blended with other zirconium products for special finishes.
It is no longer manufactured.

This was an ideal opacifier for use in chrome-tin pink and maroon glazes since the calcium enhanced the development of the color.

Related Information


Typecodes Opacifier
Opacifiers are powders that turn transparent glazes opaque by various chemical and physical mechanisms (and combinations of mechanisms).
Materials Zircon
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