Ingredients

Ingredient Amount
Barium Carbonate 47.50
Nepheline Syenite 47.50
Pemco Frit 626 5.00
Add Amount
Copper Carbonate 9.00
Bentonite 4.00

Instructions

Published in "Strong, Pure and Matt" by Pat Horsley, in the Jan/Feb 2006 issue of Pottery Making Illustrated.