Quartz mineral has multiple quality and varieties (Grade) that determine itâ??s applicability in a given industry after mining the rocks in a crude form were sorted for quality via processing machines, thereafter they are downsized in a variety of sizes Depending on the requirements of a customers to fulfill various industries need SPECIFICTION : Lumps in INCH , Chips in MM, Powder in MESH GRADE A - Sio2 - 99.88 % , Fe2o3 - 0.05%. , Al2o3 - 0.50%, PRICE - depends on size and quality MONTHLY CAPACITY- 3000 tons PAYMENT TERMS - 50 % adv and 50% after BL copy for export.