Alisa and Claus Clausen on fri 22 sep 00
Tested on mid range light grey stoneware, fired to 1220c oxidation,=20
12,7 Gerstely Boarte
2,7 Zinc Ox.
Add 3.3 colbat. oxide.
Tested withOUT cobalt to see color for a neutral hopeful.
All amounts were measured up to the next whole decimal.
Subs. were local spar.
Stable, smooth, semi matt glaze. Color is yellowish on the clay body =
and some whitish pooling in the middle of test bowl.
Same receipe with 3% cobalt oxide.
Heather purple satin mat with some glossy patches.
Alisa in Denmark=20