... , birefringence, absorb light directly; magnetic susceptibility low, non-conductive; the melting point of 2550 °C. Zircon sand normally symbiotic with ilmenite ... dioxide, zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL zirconium sand with good quality