I liked the look of this glaze and decided to test it out. The first picture in the table is the original glaze formula. The glaze is on both stoneware and porcelain. The test tiles were fired in a gas kiln to cone 10 (2350 F). Each test tile was dipped once and then a second time halfway down.
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F-4 Feldspar 30
Silica 10
Kaolin 25
Dolomite 20
Barium Carbonate 15
Use the above base glaze - colorants are listed below with a related pic =100
Copper Carbonate
Cobalt Carbonate2%
0.5%
Chrome
Copper Carbonate
Cobalt Carbonate0.5%
2%
0.5%
Red Iron Oxide 3%
Red Iron Oxide 5%
Red Iron Oxide 7%
Rutile 4.4%
