Chemical name silicon dioxide sio2 quartz is the most abundant and the most frequently encountered mineral on the earth. It is chemically inert in contact with most substances. It has electrical attributes and qualities are heat resistant. Chemical/typical composition sio2 above 99. 5% fe2o3 0. 0003% specific gravity 2. 7 Silica utilized in various industrial processes for glass electrical components ceramic industries epoxy coatings flooring optical lenses abrasives gemstones we offer quartz powder of white to super snow white color in different fineness as follows quartz powder 2 microns quartz powder 5 microns quartz powder 700 mesh quartz powder 500 mesh quartz powder 300 mesh quartz powder 200 mesh we offer quartz sand graded available in various levels from size 4 mm to 150 microns.