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glaze test for violet glaze, cone 6, ox.

updated wed 30 apr 03


Alisa Clausen on tue 29 apr 03

Glaze test for Violet Glaze, cone 6, ox.

Glaze tested on white midrange stoneware fired in electric oxidation to =

Credited to:

Firing ramp:
100c p/h to 600c (212f - 1112f)
150c p/h to 1100c (330f - 2012f)=20
100c p/h to 1220c (212f - 2228f)
5 min. soak
cool down 80c per hour to 800c
shut off kiln

41.40 Neph. Sye.
11.70 Dolomite
5.40 Magnesium Carb.
4.50 Whiting
27 Quartz
10 Gerstely Borate

2.0 Cobalt Carb.

Note: All raw materials are measured up or down to the nearest whole =
decimal. =20
Colorants or additives to a 100 gram test batch are measured in percent =
to the 100 gram test batch.

Local Frit for Gerstely Borate

A semi gloss light blue to violet glaze. Better covering where thicker =
and smooth.

Regards from Alisa in Denmark