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glaze test for cone 6-10 black, oxidation

updated tue 28 nov 00


Alisa and Claus Clausen on sun 26 nov 00

Source: Lubbock, Texas, USA

Tested on white, mid range stoneware, fired to 1220c, oxidation.

52 Custerspar
20.7 Colemanite
3.2 EPK=20
1.5 Whiting
17.5 Flint

1.5 Cobalt oxide
3.0 RIO
..9 Chorme oxide ( I used 1.0)

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