Caring For Quartzite Countertops - Use Natural Stone
Sep 12, 2014· High purity quartzite produces ferrosilicon, industrial silica sand, silicon, and silicon carbide. During the Stone Age, quartzite flint, quartz, and other lithic raw materials made stone tools. Quartzite Characteristics. Originally pure quartz sandstone, Quartzite (from German Quarzit) is a hard, non-foliated metamorphic rock.