... 8, specific gravity 4.6-4.71, 1.93-2.01 refractive index, birefringence, absorb light directly; magnetic susceptibility low, ... , rutile, monazite and xenotime in the Coastal sand, then will get zircon sand after the water, electrostatic, and magnetic separation ... zirconium sulfate, etc.). 2012 HOT SELL zircon-sand.60-65% 80-120M Zircon Sand zirconium silicate Zr(SiO4) zircon Flour Zircon Sand for sale