... super 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 POWDERQuartz sand ,quartz powder are non-metallic mineral products ... of quartz sand is white ,semitransparent or totally transparent. Widely use in glass ,cast , Man-made stone plate ,plastic ,rubber, ...