Minerals and Metals in Ancient India v1.c19.s5.t5.1

v1.c19.s5.t5.1

A small piece of glass was examined and analysed. It was dark green in colour. It is obvious that it formed part of a bottle or some other receptacle. The results of chemical analysis give 56.96 per cent SiO₂, 4.46 per cent Fe₂O₃, 3.62 per cent Al₂O₃, 1.09 per cent Cr₂O₃, 1.06 per cent PbO, 0.89 per cent SnO₂, 7.00 per cent CaO, 3.75 per cent MgO, 17.55 per cent Na₂O and 4.09 per cent K₂O.