... stone plate ,plastic ,rubber,and grinding ma QUARTZ SAND QUARTZ POWDERQuartz sand ,quartz powder are non-metallic mineral products , ... mineral composition is SiO2 , the color of quartz sand is white ,semitransparent or totally transparent. Widely use in ... cast , Man-made stone plate ,plastic ,rubber,and grinding material industry. GradeWhite , semitransparent , Totally transparentSize2-4 mesh4-6 mesh8 ...