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Ingredients

Ingredient Amount
Barium Carbonate 13.71
Gerstley Borate 10.62
Lithium Carbonate 3.05
Whiting 11.22
Custer Feldspar 54.47
OM 4 Ball Clay 1.81
EPK Kaolin 5.12
Add Amount
Titanium Dioxide 7.63
Zinc Oxide 3.54
Yellow Iron Oxide 1.67

Instructions

Published in "Exploring Glazes: From Perfect fit to Crackle and Matte," in the March 2016 issue of Ceramics Monthly.

The lithium in this glaze activates the surface and makes this glaze work.
Use at a specific gravity of 1.4 or 1.42. When the glaze is applied at that proper thickness, the surface crackles as it dries. If applied too thick, it will crack off.