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Quartz ore Quality stable Sophiscated technicians One of the biggest nometalic mineral exploring company in south of China Quartz ore1.We can offer free sample for your test.2.It’s a hard, wear-resisting, Chemical stability of silicate minerals.3.The color is ivory or colorless translucent.4.The main use for the quartz sand as follows. 5.The chemicals composition form CommoditySiO2(%)Fe2O3(%) ...