... 2.01 refractive index, birefringence, absorb light directly; magnetic susceptibility low, non-conductive; the melting point of ... the water, electrostatic, and magnetic separation processing. Their theoretical compositions are ZrO2 and SiO2, and a small amount of ... used in the production of glass, metal (spongeZr) and zirconium compounds (zirconium dioxide, zirconium oxychloride, zirconium, sodium ...