Attributes . 45% Silicon Di Oxide (SiO2), 19% Manganese Oxide (MnO), 22% Magnesium Oxide (MgO), 5% Calcium Fluoride (CaF2), 2% Sodium Oxide (Na2O), 2% Aluminum Oxide (Al2O3), 2% Titanium Di Oxide (TiO2), 1% Iron Oxide (FeO), 6% Metal Alloys . Names