Copper Carbonate spectrum celadon blue and green specks that

blue and green specks that can be used for brush strokes or opaque coverage

Rutile is a natural source of titanium dioxide used in glazes

Cone 6 oxidation: Smoke is an opaque grey-blue stoneware glaze with soft

especial for working the details around the foot of tea bowls

Warm tones and cool tones

Copper Carbonate spectrum celadon blue and green specks thatCuCO3Cu(OH)2 A source of copper oxide (CuO) and a recipe substitute for the same by adding 40% more. 3% added to most glazes produces a clear green. In alkaline glazes the colour shifts to turquoise blue. At 7% or more, metallic surfaces develop. Fired in a reduction atmosphere, red colours are achieved with % or less. Note: Glazes become increasingly susceptible to food acid attack as copper oxide levels increase. For more information on copper