| Quantity | Value | Units | Value | Units |
| Atomic number | 47 | |||
| Atomic mass | 107.8682(2) | g mole-1 | ||
| Specific gravity | 10.50 | g cm-3 | ||
| Mean excitation energy | 470.0 | eV | ||
| Minimum ionization | 1.299 | MeV g-1cm2 | 13.64 | MeV cm-1 |
| Nuclear collision length | 95.8 | g cm-2 | 9.128 | cm |
| Nuclear interaction length | 161.7 | g cm-2 | 15.40 | cm |
| Pion collision length | 120.3 | g cm-2 | 11.46 | cm |
| Pion interaction length | 189.4 | g cm-2 | 18.04 | cm |
| Radiation length | 8.97 | g cm-2 | 0.8543 | cm |
| Critical energy | 12.36 | MeV (for e-) | 11.94 | MeV (for e+) |
| Molière radius | 15.39 | g cm-2 | 1.466 | cm |
| Plasma energy ℏωp | 61.64 | eV | ||
| Muon critical energy | 215. | GeV |