The mineral assemplege of the deposit is composed of diaspore, kaolin, illite, chlorite, hematite, anatace and rutile with tourmaline, zircon, goyazite in less.
The XRD patterns of kaolinic rocks in the coal measure are divided into three types according to the basal reflection intensity of the kaolinite in China.
The research results show that the main minerals in "Di" of Changhua Chicken Blood Stone are dickite and kaolinite, and minor minerals are alunite, halloysite, quartz and pyrite, et al.