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Quartz Lumps Silica 98%. Quartz Lumps with Silica (99%) Alumina Al2O3 (%) Fe2O3 (%). We are Quartz Mine Lease Holder in India in Andhra Pradesh. We can supply Quartz Lumps upto 10000 MT per month. We can give any sizes ranging from 10mm to 300mm or any size. We are looki.