Ingredient Amount
Dolomite 13.63
Gerstley borate 10.69
Talc (Desert or C-30) 13.10
Custer Feldspar 38.13
OM 4 Ball Clay 6.68
silica 17.77
Add Amount
cobalt carbonate 0.50
Green Chrome 0.50


This glaze is fired to cone 10 in reduction in a gas kiln. Works well layered over Zacks Black. 


This recipe was shared by Mark Cortright in the October 2021 issue of Ceramics Monthly.