... column construction, normally because of the different Country of Origin with the different types and quantity of impurities, resulting in ... the melting point of 2550 °C. Zircon sand normally symbiotic with ilmenite, rutile, monazite and xenotime in the Coastal sand, then ... , zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL zirconium sand with good quality