Besides bauxite , zinc and yellow phosphorus , the other six industrial minerals are coke , fluorspar , magnesium , manganese , silicon carbide and silicon metal .
除了铝土矿、锌和黄磷之外,其他六种工业原料包括焦炭、氟、镁、锰、碳化硅和金属硅。
Method of sampling and sample preparation of fluorspar in bulk .