Cone 10 Reduction Nepheline Syenite 63.9 Dolomite 21.1 Zircopax 16.0 OM4 ball clay 4.3 ------------------------------ 105.3 Add: 1.0% red iron oxide 4.0% bentonite This usually comes out as a very attractive light yellow. It reacts with iron in the clay body, typically forming brown spots and streaks. The surface is matte
Cone 6 Oxidation 49 Gerstley Borate 19 EPK 32 Silica 2 Chrome 1 Cobalt Oxide 2 Bentonite Apply thick!
Cone 6-9 Oxidation 12.3 Silica 4.5 Barium 38.7 Custer Feldspar 18.2 Gerstley Borate 4.5 EPK 6.8 Talc 6.8 Zircopax 4.3 Rutile 3.6 Dolomite ___________________________________ 99.7 ADD For Blue: .75 Cobalt Carbonate For Green: 2.75 Copper Carbonate For Brown: 2.0 Red Iron Oxide and 4.0 Manganese Dioxide Turquoise: .75 Chrome Oxide and .5 Cobalt Carbonate
31.8 Nepheline Syenite 22.7 Whiting 22.7 Silica 13.6 Tennessee Ball Clay 9.1 Zinc Oxide ________________________________ 99.9 ADD 4.3 Black Iron Oxide 3 Cobalt Oxide Steven Hill's Recipe
Cone 6 Oxidation 37 Frit 3134 26 EPK 17 Silica 325 4 Strontium Carbonate 16 Custer Feldspar ___________________________ 100 ADD 2.5 Cobalt Carbonate 4.5 Rutile 2.0 Bentonite Not attractive by itself but striking over Noxema.
60 Alumina Hydrate 30 Kaolin + coffee grounds or sawdust
50 Kaolin 50 Silica
5 EPK 30 Silica 20 Custer Feldspar 14 Talc 32 Gerstley Borate __________________________ 101 ADD 15 Red Iron Oxide
Cone 6 Oxidation 22 Gillespi Borate 4 Strontium Carbonate 11 Whiting 38 Custer Feldspar 25 Silica 5 Cobalt Carbonate 1 Chrome Oxide 2 Bentonite _________________________________ 108
5.7 Lithium Carbonate 12.4 Strontium Carbonate 16.8 Whiting 5.7 Ferro Frit 3124 22.5 Custer Feldspar 22.5 Nepheline Syenite 14.4 EPK Kaolin _____________________________ 100 ADD 13.5 Titanium Dioxide 2 Bentonite Combine with glazes containing either copper or cobalt to develop icy glazes.