We are the suppliers of quartz of all grades available in form of powder and lumps, powder specifications are 0.1 mm 0.6 mm,0.6 mm 1.2 mm,1.2 mm 2.5 mm,4 mm 6 mm,6 mm 10 mm.We have quartz use in glass making industry,electronic industry,paint industry,ceramic industry. Our quartz silica content range between 97.5-98.8%.