Ingredient Amount
Potash Feldspar 5.00
Ball Clay 75.00
Kaolin 10.00
Silica 10.00
Add Amount
Black Mason Stain 3.00
Cobalt Oxide 2.00
Red Iron Oxide 15.00


Published in "Marty Ray" by Marla Ziegler, in the Feb 2002 issue of Ceramics Monthly.
Use on leather-hard clay. Vary the above colorants to yield dark blue, dark brown, etc. Add small amount of frit (such as Pemco P-54) if needed for frit.