Today I mixed up a "Spearmint Frasca". That would be the base Frasca glaze with the Spearmint colourants as per Roy & Hesselberth. 4% Copper Carbonate and 6% Rutile. I added a bit too much copper carbonate though, an error reading the calculator. Not that big a deal I don't think.
I'm going to fire 12 test pots tomorrow, three flights of four pots. Each flight is either glazed with Oatmeal, Field Mouse Brown or Licorice, and each flight of four has an overdip of ash glaze. The ash glazes are Blue Frasca, Oatmeal Frasca, Field Mouse Brown Frasca, and Spearmint Frasca. I'm redoing the oatmeal tests because I thinned it out a bit. It was VERY thick in the first series of tests.
I'll post in two or three days how they turned out.
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