Amaco Celadon Hi Fire (Cone5-6) Glaze - Pint # C-1 - Obsidian AMACO Celadons are transparent gloss glazes that are formulated to be 100% mixable. Use them as a palette to create your own "celadon", adjust transparency or soften any color with C-11 Mixing Clear. Celadon glazes highlight surface texture and bring out the color of the clay underneath. Dinnerware safe. APcolors are safe for spray application. Made in USA