... white quartz sand,high purity: 98%-99.9%,Widely use in glass ,cast , Man-made stone plate ,plastic ,rubber,and grinding ma QUARTZ SAND QUARTZ ... composition is SiO2 , the color of quartz sand is white ,semitransparent or totally transparent. Widely use in glass ,cast , Man-made stone plate ... mesh16-26 mesh26-40 mesh40-70 mesh80-120 mesh super white quartz sand