Granular & Semi-Glassy Quartz Mined, Chipped into Quartz Lumps of size 30mm to 80mm / 80mm to 150mm / 150mm to 250mm are available in various grades as A Grade (Parameters: SiO2 – 99.89%, Fe2O3 – 0.0050%, Al2O3. – 0.0081%, EC – Below 8) & B Grade
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