... fused and stabilized Zircon sand: 2.Resistance to high temperature, corrosion. 3.High stability. 4.made in shandong 1 zircon ... refractive index, birefringence, absorb light directly; magnetic susceptibility low, non-conductive; the melting point of 2550 °C. Zircon sand ... oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). High quality Zirconium Sand with best price