| Element (%) | Analysis 1 | Analysis 2 | Analysis 3 |
| Pb | 95.401 | 98.78 | 93.96 |
| Fe | 3.542 | 1.22 | 1.61 |
| Sb | 0.417 | - | - |
| Mn | 0.382 | - | - |
| Zn | 0.147 | - | 0.06 |
| Cr | 0.111 | - | 0.26 |
| Ra | - | - | 4.11 |