Contains

Selenium, Sulfur

May React With

Copper, Lead, Silver

Cold Characteristics

May contain variation in color density.

Working Notes

Opalizes upon firing, becoming darker and much more consistent in color.

This style is not suitable for kilncasting because it can become incompatible when held at high temperatures for an extended period. It may also become incompatible in instances where processes exceed the parameters for the test of compatability. Testing recommended when heatwork exceeds these parameters.