Cone 06 oxidation (large photo): Black Opal is an opaque black base glaze with large red crystals.
Cone 6 oxidation (small photo): Base glaze remains – crystals fade and melt. Enhanced mobility. Surface issues may occur.
Cone 06 oxidation (large photo): Black Opal is an opaque black base glaze with large red crystals.
Cone 6 oxidation (small photo): Base glaze remains – crystals fade and melt. Enhanced mobility. Surface issues may occur.