Alisa and Claus Clausen on sun 26 nov 00
Source: Lubbock, Texas, USA
Tested on white, mid range stoneware, fired to 1220c, oxidation.
Receipe
52 Custerspar
20.7 Colemanite
3.2 EPK=20
1.5 Whiting
17.5 Flint
ADD
1.5 Cobalt oxide
3.0 RIO
..9 Chorme oxide ( I used 1.0)
Substitutions
Local spar for Custer
Resulted in gloss black with some blue pooling in center of test bowl.
Spit a halo on to shelf around test bowl.
Best regards,
Alisa in Denmark
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