1. Olivine Raw Mineral MgO: 42-48% SiO2: 33-42% CaO: 2%Max Al2O3: 2%Max Fe2O3: 6-11% L.O.I.: 2-8% B.D.: 2.8-3.15g/cm3 2. Calcined Olivine Sand MgO: 46-50% SiO2: 38-42% CaO: 2%Max Al2O3: 2%Max Fe2O3: 6-9% L.O.I.: 1%Max B.D.: 2.5g/cm3 Size: 2-5mm 90%min or at buyers' options packing: 1 mt / bag or at buyers' options