History of Chemistry in Ancient and Medieval India, Incorporating the History of Hindu Chemistry by Acharya Prafulla Chandra Ray c15.s1.57

c15.s1.57

| | White opaque glass | Red opaque glass |
| SiO₂ | 61.32 per cent | 37.09 per cent |
| Sb₂O₃ | 5 08 „ | — |
| PbO | — | 34 85 „ |
| Al₂O₃ + Fe₂O₃ | 1 70 „ | 3.16 „ |
| MnO | 0.26 „ | 0 11 „ |
| CaO | 9.74 „ | 6 46 „ |
| MgO | 1.64 „ | 0 70 „ |
| Cu₂O | — | 7.20 „ |
| Na₂O | 19.26 „ | 10.83 „ |
| K₂O | 1.00 „ | 0 87 „ |