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crystalline glazes-lower fire

updated tue 9 dec 97


m george on mon 8 dec 97

I've seen and read about various crystal glaze recipes and all have been
fired to cone 9 -10 except for one listed in the Answers to Potters
Question book put out by Ceramics Monthly that lists a cone 5 recipe. Is
there a reason(s) that crystal glazes are usually fired to cone 9-10 or
can these recipes be modified to fire at a lower temperature, ie. cone
Thanks, Max