... 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, ... oxychloride, zirconium, sodium fluorozirconate, potassium, zirconium sulfate, etc.). 2012 HOT SELL zirconium sand with good quality