... mainly used in metallurgy, building material, chemical, mining and other minerals material fenmo processing, grinding feldspar, silica, ... talc, barites, fluorite, granite, marble, ceramic, aluminium vanadium and soil, iron ore, manganese, copper, iron, zirconium phosphate rock ... coal coking coal, points, magnesia lignite, chrome oxide green, gold and red mud, clay, kaolin, coke, coal gangue, porcelain, ...