... 1.fused and stabilized Zircon sand: 2.Resistance to high temperature, corrosion. 3.High stability. 4.made in shandong 1 zircon sand ... impurities, resulting in dyed yellow, orange, red, brown and other colors, hardness 7.8, specific gravity 4.6-4.71, 1 ... dioxide, zirconium oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). High quality Zirconium Sand with best price