HE peng ¹ , DONG Weixia ² , BAO Qifu ² , CHEN Bo ²

(1.Hunan Entry-Exit Inspection and Quarantine Bureau, Changsha Hunan 410007,China; 2. Jingdezhen Ceramic Institute, Jingdezhen Jiangxi 333403,China)

Abstract: A classification study of Yiyang stone, a ceramic raw material from Jiangxi Province was carried out. Results show that the iron content of the porcelain stone has a significant effect on ceramic whiteness and gloss. With the increase of the iron content, the whiteness and the gloss of a ceramic product decreased. The iron content of Yiyang stone also affected its adaptability to other ceramic raw materials. The porcelain stone with different iron content can be used to produce different kinds of ceramics.

Keywords: Yiyang porcelain stone, Fe₂O₃ content, classification