LAUSR

Abstract The celadon with black body is a famous type of ceramic product in ancient China due to its appearance features, black body and crazing glaze, different from regular. For this type of ware, the crazing glaze is a kind of artificial decoration, not production defect. How the glaze crackles were made by ancient potter has always attracted many people's attention. And it has been studied mainly based on chemical composition. In this paper, we aim to provide our discussion and explanation for its sophisticated combinations of crazing glaze and black body. Based on analysis of ancient and modern celadon products, we thought that the difference in quartz content of the fired body is the reason why the celadon with black body is more likely to have crazing glaze than regular. And, the potter could control the expansion coefficient of the body by using Zijin clay with low quartz content as raw material.