... with the different types and quantity of impurities, resulting in dyed yellow, orange, red, brown and other colors ... % SiO2 3,Usage Zircon sand is commonly used in the manufacturing of refractory (Zirconium refractories, such as ... fiber), molding industry, ceramic and enamelware producing, in addition, also used in the production of glass, metal (spongeZr) ... Zr(SiO4) zircon Flour Zircon Sand for sale