Cone 6 Flat Green-Blue High Fire

I don't quite remember what this one does. But, give it a try and tell me what happens.

20% Ball Clay
10% Nephelene Syenite
20% Silica
30% Barium Carbonate
20% Custlr Feldspar
~~~~~~~~~~~~~~~~~
2% Yellow Ochre
1% Tin Oxide(or 2.5% Zircopax)
2% Lithium Carbonate
2% Copper Carbonate
.5% Cobalt Carbonate
3% Rutile( Low Iron)