Abbots Crater Lake Midfire Glaze Clay Aqua → Bison → Black

Aqua → Bison → Black Oilspot

Tenmoku → Charcoal

Colour builds in layers

Abbots Topaz is a Cone 6 midfire brushable glaze with a reactive ochre-gold glaze with matte softness

On its own it evokes obsidian and volcanic rock

Abbots Crater Lake Midfire Glaze Clay Aqua → Bison → BlackCrater Lake Midfire Glaze Glossy Crackle Use Thick Food Safe Reactive Might be runny Here is an image of Crater Lake Crackle glaze applied two shards (white and buff) fired to 1200C. The dramatic difference in effect reinforces the importance for potters to test materials in their own particular circumstances, rather than rely on generalised advice from suppliers. FYI these bodies are exclusively used internally for Decopot made tableware.