Olivine can be made to be excellent refractory materials, which can stand very high temperature, and their thermal stability is better than the ordinary magnetite brick. In chemical industry, it can be melted with phosphate ore or appetite to be Ca-Mg-P fertilizer, and it also can be used as a raw material to extract magnesia chemical compound and Epsom salt. In the metallurgical industry it is a raw material for smelting metal magnesium and be flux. Calcined forsterite can be used as tapping of molten steel. Its also material for unshaped refractory.