CO-08 Dark StarDark Star is a fluid, dark matte glaze with iridescent crystals like a beetle shell. Breaks translucent. Apply to: Cone 04 Bisqueware Number of coats: 4 coats This glaze performs best at cone 6 but can be fired to cone 5. For best results, leave the inside or back of the form unglazed. Can be fired in a normal medium speed firing with no special cooling schedule required. To take this glaze to the next level, use a controlled cooling schedule for