Color effects of Zinc silicate crystalline glaze applied on Ceramic sculpture
by Yasmina Heidar, Hala El-GinkSeveral metal oxides are experimented with, including copper oxide, cobalt oxide, ferric oxide, lead oxide, and tin oxide. Under specific firing rates on 28 samples affecting the nucleation and growth…
Raku-Fired Waterproof Vases
Raku-fired vases are always popular because of their beautiful metallic sheen, but prospective buyers often ask whether it is safe to fill the vases with water. I explain that Raku firing is different…
Q&A: What are the most common pottery myths?
Surprisingly, once some potters recognize the myths present in their pottery making practices they still do not want to let them go. Listed below are some of the many myths which still circulate in th…
Potter’s Reduction Diagrams
by Howard T. SawhillPotters have been transforming the color and texture of their pottery for thousands of years by exposing their ware to reducing environments during the kiln firing. Through experience, they’ve learned…
Cobalt on Trial
Cobalt oxide and cobalt carbonate are ceramic raw materials widely used by potters. They are frequently found in glaze and slip formulas contributing, under varied circumstances, a light to dark blue…
An International Wood-Firing Exchange
Comparing clays, fuels and firings between Japanese-Shigaraki-style and American-Midwestern-Style Approaches