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