I've tried a lot of methods, and the most similar recipe is.
Fine silicon carbide 1.
Copper carbonate 5.
The effect is as shown in the picture.
The problem is that the presence of SIC, in the formula can also cause copper carbonate to turn red in the glaze in an oxidizing atmosphere. Is it possible that it does not need to be made with SIC?
The first picture is the sample pic…
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