1.zircon mineral sand is usually colorless and transparent crystal ... %≤0.20%≤0.30%3, Introduction Pure zircon mineral sand is usually colorless and transparent crystal state, ... , Usagezircon mineral sand is commonly used in the manufacturing of refractory (Zirconium refractories, such as zirconium corundum brick, ... , sodium fluorozirconate, potassium, zirconium sulfate, etc.). zircon mineral sand