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glaze test for marge's clear & snowflake, cone 6, oxidation

updated sun 10 dec 00


Alisa and Claus Clausen on sat 9 dec 00

Marge's Clear, Snowflake
Source: Chris Clarke
Tested on white, mid range stoneware, fired to 1220c, oxidation.
17 Whiting
35 Spar
12 Ball Clay
19 Silica
1l7 Zinc Oxide
Resulted in a stable, clear gloss.
For Snowflake, comments: moves and streaks.
2 copper carb.
23 Cobalt Carb.
1 rutile

Resulted in a gloss, dark blue with with some rutile colored spotting on =
outside of test bowl.
Inside of test bowl showed some movement in the glaze with lighter blue =
Personal: Interesting rutile like colorations and ligher blue streaks.
Best regards,
Alisa in Denmark