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Ingredients

Ingredient Amount
Ferro Frit 3110 49.27
Zinc Oxide 24.79
Kaolin 1.55
Silica 18.28
Titanium Dioxide 6.11
Add Amount
Bentonite 1.00
Cobalt Oxide 2.00
Cobalt Carbonate 2.00
Manganese Dioxide 3.00

Instructions

Published in "Making Crystals Clear" by Sumi von Dassow, in the Nov/Dec 2002 issue of Pottery Making Illustrated.