Zirconium silie, also zirconium orthosilie, ZrSiO 4, ... It is separated from sand by electrostatic and electromagnetic methods. It can also be synthesized by fusion of SiO 2 and ZrO 2 in an arc furnace, or by reacting a zirconium salt with sodium silie in an aqueous solution. Uses. Zirconium silie is used for manufacturing refractory materials for appliions where resistance to ...