... 0.25%TiO2≤0.10%≤0.10%≤0.20%≤0.30%2. Introduction Pure zircon sand is ... Zircon sand normally symbiotic with ilmenite, rutile, monazite and xenotime in the Coastal sand, then will get zircon sand after ... CaO, Al2O3, and other impurities, theoretically pure zircon sand containing 67.23% ZrO2 and 32.77% SiO2 ... 3,Usage Zircon sand is commonly used in the manufacturing of refractory ...