... zirconium silicate 2. color : White 3.Density:4.6-4.7 4.Crystal system: quadratic system =6.56A =5.97A ZrSiO4 zirconium ... .Mean particle size:d"1.2umApplication: It can whiten zirconium material,gem, catalyzer, adhesive material, glass polishing compound, ... . It can take the place of expensive cassiterite, zirconium dioxide, mean particle size: 1um-1.2um.Packaging: ... 15≤0.10≤0.24≤33.0 zirconium silicate