RandRock quartz lumps is chemical composition is tested using ICP-MS. These are typical maximum element concentration levels. Actual product levels will generally be 10% lower. In our quartz the SiO2 level is greater than 99.89% and alkaline content is less than 100 PPM. Element PPM SiO2 99.89% Al2O3 < 50 PPM Fe < 2 PPM Ca < 6 PPM Mg < 1 PPM B < 2 PPM Na < 12 PPM P < 2 PPM Li < 1 PPM TiO2 < 2 PPM Electrical Conductivity < 5 µS/cm
