RESEARCH INTO THE MINERAL COMPOSITION OF NINGCUN CHINA STONE IN JIANGXI AND REMOVING IRON FROM IT

The mineral composition of Ningcun china stone in Jiangxi Province analysed by authors and the methods of removing iron from it are presented. The results of composition analyses show that Ningcun china stone is mainly composed of quartz, sericite and feldspar;iron is contained in silicate, sulphide, oxide and hydroxide minerals. the high mgnetic separation (HGMS) is an effective method of removing iron from Ningcun china stone.