Cone 06 oxidation (large photo): Dark Grey will fire matte without addition of a clear glaze. To intensify color or for use on dinnerware, apply clear or matte clear glaze.
Cone 6 oxidation (small photo – left): Color concentration occurs. Recommended clear glaze is SW-004 Zinc-Free Clear.
Cone 10 reduction (small image – right): Color shifts to brown unglazed. Recommended clear glaze is SW-004 Zinc-Free Clear.