All tests fired to cone 10 with medium reduction at ^012 and a slow cooling. Natural gas downdraft kiln with 20cu ft stacking space. Sprague emerald green is on porcelain and the rest are on stoneware.
Sprageue Emerald Green
Feldspar 50 EPK 20 Whiting 30 -add- Copper carb 4
Malcolm Davis Shino
Nepheline Syenite 40.91 % Soda Ash 17.27 Soda Spar (kona,f4) 9.82 EPK 18.18 Om Ball Clay 13.82