Jake Corboy | Ceramics & Pottery | Seattle WA.

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Frosty Crystal

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A recipe I found on Glazy.com
Test tiles fired to ^6 in an electric kiln with a regular slow cool (cooled down 150F per hour from 1900F - 1400F).

Not very runny and a pretty cool crystal effect without any super fancy kiln cycle.

Here is a link to UMF info and charts on Glazy.com

 %       Frosty Crystal

40      Nepheline Syenite

29      Silica

17      Zinc Oxide

  9.5   Whiting

  5      EPK               

  2      Bentonite

Mixed to Specific Gravity of 1.50

Floccing not necessary

Cobalt Carb. 1% + Rutile 2%

Frosty Crystal
Cobalt Carb. 1% + Rutile 2%
Frosty Crystal
Cobalt Carb. 1.5% + Rutile 4%
Frosty Crystal
Cobalt Carb. 1.5% + Rutile 4% + RIO 2%
Frosty Crystal
Copper Carb. 1.5% + Rutile 4%
Frosty Crystal
Copper Carb. 3%
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