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Ingredients

Ingredient Amount
Gerstley Borate 10.70
Whiting 10.70
NC-4 Feldspar 40.30
Nepheline Syenite 14.80
Spodumene 6.70
Silica 16.80
Add Amount
Tin Oxide 1.00
Copper Carbonate 0.30
Red Iron Oxide 0.10

Instructions

This recipe was originally published in the October 2010 issue of Ceramics Monthly.