... fused and stabilized Zircon sand: 2.Resistance to high temperature, corrosion. 3.High stability. 4.made in shandong 1 zircon sand ... 71, 1.93-2.01 refractive index, birefringence, absorb light directly; magnetic susceptibility low, non-conductive; the melting point ... zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). High quality Zirconium Sand with best price