Chun and Coblat Blue
Both are overlapped with an accent of oilspot. Oil spot glazes were used by the Chinese. They have a high boron content and the boron and silica in the glaze separate into spots.
Chun and Coblat Blue
Both are overlapped with an accent of oilspot. Oil spot glazes were used by the Chinese. They have a high boron content and the boron and silica in the glaze separate into spots.