... form. Appearance color: colorless, white, cyan gray.2. Main applications: quartz sand (powder) mainly applied in the industries of glass, refractory, ceramic ... .0≤0.034. Sizes: 4-6mesh, 6-10mesh, 10-20mesh, 40-70mesh, 100-200mesh, 270mesh, 325mesh, 400mesh, 500mesh, 800mesh, 1250mesh etc Quartz sand