Attributes . 13% Silicon Di Oxide (SiO2), 1% Manganese Oxide (MnO), 30% Magnesium Oxide (MgO), 24% Calcium Fluoride (CaF2), 2% Sodium Oxide (Na2O), 19% Aluminum Oxide (Al2O3), 8% Calcium Oxide (CaO), 1% Potassium Oxide (K2O), 1% Titanium Di Oxide (TiO2), 1 % Metal Alloys . Names