... Zircon sand: 2.Resistance to high temperature, corrosion. 3.High stability. 4.made in shandong ... index, birefringence, absorb light directly; magnetic susceptibility low, non-conductive; the melting point of 2550 ... metal (spongeZr) and zirconium compounds (zirconium dioxide, zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). Best price high quality ...