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Ingredients

Ingredient Amount
Dolomite 7.88
Gerstley Borate 3.39
Lithium Carbonate 6.19
Whiting 8.98
Cornwall Stone 67.37
Silica 6.19
Add Amount
Red Iron Oxide 11.18

Instructions


The images shows details of two bowls glazed with a cone 10 amber teadust glaze. The one on the right was cooled slower, and pyroxene crystals have started to form.

For a dark blue instead of tenmoku, substitute the red iron oxide for 1% cobalt oxide. The crystallizing oxide is magnesium, sourced from dolomite.

This recipe was shared by Ian Hall-Hough in the May 2020 issue of Ceramics Monthly.

 

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