Al2O3 .........................................................0.128 cg/g Na2O........................................................... 3.58 cg/g BaO...........................................................1.036 cg/g PbO .......................................................... 23.98 cg/g CaO...........................................................1.033 cg/g Sb2O3 ....................................................... 0.290 cg/g Fe2O3 ......................................................0.0055 cg/g SiO2 .......................................................... 57.80 cg/g K2O ...........................................................10.00 cg/g ZnO .......................................................... 1.020 cg/g Li2O ...........................................................0.495 cg/g

Density (20°C) ...................................... 2.9905 g/cm3

MgO ..........................................................0.512 cg/g

Refractive index (20°C) at 589.3nm ............. 1.55967