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Ingredients

Ingredient Amount
Whiting 23.91
Custer Feldspar 49.73
Edgar Plastic Kaolin 13.18
Silica 13.18
Add Amount
Titanium Dioxide 11.29
Silicon Carbide 0.34

Instructions

Published in "My Way With Clay" by Rick Malmgren, in the Oct 2000 issue of Ceramics Monthly.
A very rough glaze; not intended for food surfaces.  Fine silicon carbide seems to work best. For a gray to black variation, add 7% Mason stain 6600.