... 0.10%≤0.10%≤0.20%≤0.30%2. Introduction Pure zircon sand is usually colorless and transparent crystal state, ... amount of Fe2O3, CaO, Al2O3, and other impurities, theoretically pure zircon sand containing 67.23% ZrO2 and 32.77% SiO2 ... zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL zircon-sand.60-65% 80-120M Zircon Sand zirconium silicate ...