Ingredients

Ingredient Amount
Strontium Carbonate 31.90
Nepheline Syenite 53.10
Ball Clay 6.70
Silica 8.30
Add Amount
Copper Carbonate 4.00
Bentonite 1.00

Instructions

Published in "Strontium/Barium" by Dave Finkelnburg, in the Nov 2014 issue of Ceramics Monthly.