| PbO | SiO2 | SnO2 | K2O | Na2O | Al2O3 | MgO | CaO | CuO (blue beads)/Cu2O (red beads) | Fe2O3 |
---|---|---|---|---|---|---|---|---|---|---|
Small opaque Yellow beads (n = 5) | 59.14 | 32.40 | 4.38 | 3.66 | 0.23 | 0.19 | – | – | – | – |
SD | 1.94 | 1.67 | 0.47 | 0.56 | 0.21 | 0.13 | – | – | – | – |
Large opaque Yellow beads (n = 5) | 57.38 | 34.72 | 3.12 | 4.27 | 0.34 | 0.16 | – | – | – | – |
SD | 2.03 | 1.92 | 0.30 | 0.20 | 0.15 | 0.09 | – | – | – | – |
Opaque orange-red beads (n = 8) | 46.37 | 32.62 | 1.39 | 8.40 | 0.26 | 0.47 | 0.08 | 0.48 | 9.40 | 0.54 |
SD | 1.06 | 1.21 | 0.46 | 0.75 | 0.29 | 0.32 | 0.11 | 0.36 | 1.50 | 0.22 |
Transparent blue beads (n = 2) | 45.51 | 40.47 | – | 8.34 | 0.77 | 0.44 | 0.24 | 3.34 | 0.75 | 0.16 |
SD | 0.06 | 0.41 | – | 0.05 | 0.11 | 0.05 | 0.04 | 0.24 | 0.01 | 0.16 |
Transparent light red beads (n = 6) | 51.23 | 39.34 | – | 7.17 | 1.16 | 0.25 | 0.08 | 0.03 | 0.55 | 0.20 |
SD | 2.30 | 1.67 | – | 1.05 | 0.53 | 0.13 | 0.08 | 0.04 | 0.17 | 0.08 |
Translucent Dark red beads (n = 4) | 63.44 | 32.36 | – | 0.47 | – | 0.22 | – | 0.45 | 1.64 | 1.42 |
SD | 1.14 | 1.13 | – | 0.03 | – | 0.10 | – | 0.06 | 0.10 | 0.10 |