Ancient Chinese glass
Chemical composition of Warring States and Han period glasses
Columns: Objects | Date | SiO 2 | Al 2 O 3 | Fe 2 O 3 | K 2 O | Na 2 O
Eye bead | 4th to 3rd centuries BC | 55 | 2.13 | 0.62 | 4.05 | 7.53 | Large bead | Han Dynasty | 37.2 | 0.15 | 0.01 | 0.02 | 3.94 | Cube shaped bead | 4th to 1st centuries BC | 51 | 0.46 | 0.1 | 0.084 | 6.12 | Bi disk | 3rd century BC | 36.8 | 0.28 | 0.14 | 0.16 | 1.87 | 'Glass garment' plaque | Late Han Dyn | 36.03 | 0.02 | 0.07 | 0.07 | 2.27 | Ritual disk | Warring States | 37.16 | 0.62 | 0.16 | 0.27 | 3.32