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Ingredients

Ingredient Amount
Ferro Frit 3134 20.60
Bentonite 8.25
Sodium Bicarbonate 0.50
Nepheline Syenite 2.60
Silica 68.05
Add Amount
Silica Sand 58.00
(for sheen) Lithium Carbonate 0.13

Instructions

Published in "Push/Pull: The Art of Deborah Sigel" by Mary Cloonan, in the Mar/Apr 2014 issue of Pottery Making Illustrated.
Mixing: Start with 33% water as each colorant takes a different amount of water, cobalt carbonate needing a good bit more than the others. Add more water in smaller increments as the paste can quickly become over hydrated and sticky. Paste tends to stiffen up by the next day or two and will need to be re-wedged to become pliable again.