Iron ore, silica sand, silica quartz lumps as well as silica quartz sand, plaster of paris, gypsum, hydrated lime, limestone, bentonite, dolomite, chormite, barite, fluorspar , rock salt, soapstone, feldspar, fire clay, kaolin clay, china clay, bleaching earth, calcium fluoride and calcium carbonate, nephrite jade,mica white, mica black, mica flakes, mica scrap..
