Granite Quartzite Quartz | The Differnce Between Each Material
Sep 12, 2014#0183;#32;It is harder and more resistant to stains than granite. Crushed quartzite hardness and angular shape make it a railway ballast. Sometimes, crushed quartzite is used in road construction. High purity quartzite produces ferrosilicon, industrial silica sand, silicon, and silicon carbide. During the Stone Age, quartzite flint, quartz, and other