Quartz Lumps, Grade : Industrial Grade

We are offering quartz is chemical compound of silicon and oxygen, silicon dioxide sio2, commonly called silica. It pure from silica, quartz is a colorless and transparment, and very hard crystalline material of glass like look. The well known rock crystals-six sided prisms with a six sided pyramid at their ends-are simply well formed crystals of quartz. We are lot of products in quartz like quartz sand (glass grade low iron), super snow white quartz gritz, quartz powder (100 # to 700 #), quartz pebbles. (unpolished and polished) chemical analysis: sio2 : 99.69 % fe2o3 : 0.04 % tio2 : absent al2o3 : 0.12 % whitness : above 95 % usage: quartz is needed for production glass, ceramics, composite and engineered stone, chemical apparatus, refractories lenes and prisms, ornamental gems, iron and steel, foundry, paints, solar glass and cosmetics abrasive etc.