... theoretical compositions are ZrO2 and SiO2, and a small amount of Fe2O3, CaO, Al2O3, and other impurities, theoretically ... spongeZr) and zirconium compounds (zirconium dioxide, zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL ... zircon-sand.60-65% 80-120M Zircon Sand zirconium silicate Zr(SiO4) zircon Flour Zircon Sand for sale ...