The preparation of iron fines from pyrite cinderby refloatation was simple and practicable with smallinvestment and floor area, convenient operation andmaintenance, and stable indexes.
There is siderite, iron dolomite , calcite, Barite, pyrite, anatase, rutile, piece quartz, the mica ( or hydromica ), diaspore,etc. in the impurity in the mineral .
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.