We are a high quality Quartzite mines' owner in Eastern India, producing outstanding mineral Quartz, used as raw material in Glass, Ceramic, Refractories, Sodium Silicate manufacturing. You can assess our high quality from this SGS analysis report:- Silica (SiO2) = 99.89%, Alumina (Al2O3) = 0.003%, Calcium (CaO) = 0.01%, Iron (Fe2O3) = 0.013%, Loss on Ignition (LOI) = 0.011%, Magnessium (MgO) = 0.006%, Manganese (MnO)