Home / Underglazes - Chrysanthos One Strokes - most will fire between cone 06 (999°C) and cone 10 (1,305°C) / COBALT BLACK – OS216 COBALT BLACK – OS216 COBALT BLACK - OS216 quantity Add to Enquiry Category: Underglazes - Chrysanthos One Strokes - most will fire between cone 06 (999°C) and cone 10 (1,305°C) Related products ANTIQUE BROWN – OS204 BURGUNDY – OS105 DUSKY PINK – OS089