AMACO Cosmos HF Dark Star 472ml raw-materials-powders Amethyst is a deep grape

Amethyst is a deep grape colour that is vivid at cone 05

but less saturated at cone 05 and becomes pale at cone 10

Heavy iron reduction look in oxidation

Frit DA4110

AMACO Cosmos HF Dark Star 472ml raw-materials-powders Amethyst is a deep grapeDark 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