Copper Matt and White Crackle Raku Glaze Recipes

Copper Matt Raku, cone 010—06 Glaze Material Percentage Bone Ash 33% Gerstley Borate 67 100% Add: Copper Carbonate 8% Cobalt Carbonate 2% White Crackle Raku, cone 010—06 Glaze Material Percentage Barium Carbonate 15% Gerstley Borate 40 Nepheline Syenite 35 silica 10 100%

The copper matt glaze produces a range of colors, including lusters and opalescence, and is very receptive to post-fire reduction. Apply a thin coat of glaze then wipe off with a dry towel to achieve a matt, speckled surface. Use in combination with the white crackle glaze for a mottled effect.

This recipe is included in 10 Tried and True Raku Glaze Recipes: Recipe Cards for our Favorite Raku Pottery Ceramic Glazes, which is free to Ceramic Arts Daily subscribers.