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Crystal glazes: Semi glossy blue and yellow
A very popular crystal glaze with zinc. You must not apply it too thick, or it will be yellow gray and not so good. 1260-1280oC with one hour at the top temperature. Does not need a slow cooling. You can also try other combinations of coloring oxides. Very small bright crystals.
potash feldspar NR 63,49
dolomite 15,87
zinc oxide 17,46
rutile 3,17
cobalt carbonate 1,59
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