Glossy Slate Blue
Cone 6 Breaks iron red / dark gray. 26.0 – Frit 3134 22.0 – Custer Feldspar 5.0 – Talc 4.0 Whiting 17.0 EPK 26.0 Silica 100 – Total Then Add: 1.0 Cobalt Carbonate 0.75 – Copper Carbonate 3.0 Red Iron Oxide 6.0 Rutille
Sea Blue-Green
Cone 6 Can be a very intense blue. 36.0 – Nepheline Syenite 13.0 – Wollastonite 10.0 – Zinc Oxide 10.0 – EPK 31.0 – Silica 100 – Total Then Add: 1.0 Cobalt Carbonate 6.0 Rutille