| PbO | SiO2 | SnO2 | K2O | Na2O | Al2O3 | Cu2O |
---|---|---|---|---|---|---|---|
Pb-Sn-Si phase in the yellow bead | 68.36 | 13.49 | 16.32 | 1.27 | 0.26 | 0.29 | – |
K-Sn-Si phase in the yellow bead | 11.21 | 38.16 | 30.28 | 20.28 | – | 0.08 | – |
Matrix of the yellow beads | 63.56 | 30.86 | 1.75 | 3.3 | 0.32 | 0.21 | – |
K-Sn-Si phase in the orange-red bead | 12.69 | 42.57 | 23.88 | 19.63 | – | – | 1.24 |
Cu2O particle in the orange-red bead | 20.12 | 6.62 | 4.72 | 1.13 | – | 0.22 | 67.18 |
Matrix of the orange-red bead | 45.80 | 36.06 | 0.06 | 6.80 | 0.68 | 0.28 | 10.31 |