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Ingredients

Ingredient Amount
Dolomite 5.00
Whiting 5.00
Kona F-4 Feldspar 65.00
Kaolin 5.00
Silica 20.00
Add Amount
Cobalt Carbonate 2.00
Red Iron Oxide 8.00

Instructions

Pictured with two coats of John’s SG-12, one coat Candace Black, and one coat of Hamada Rust, fired to cone 10 oxidation. Published in "Oil-Spot and Hare's Fur Glazes" by John Britt, in the May 2011 issue of Ceramics Monthly.
This recipe yields a slightly glossy oil spot in oxidation. It is also an excellent black glaze in reduction.