| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.42599 | |||
| Specific gravity | 6.280 | g cm-3 | ||
| Mean excitation energy | 439.7 | eV | ||
| Minimum ionization | 1.294 | MeV g-1cm2 | 8.129 | MeV cm-1 |
| Nuclear collision length | 93.3 | g cm-2 | 14.86 | cm |
| Nuclear interaction length | 155.2 | g cm-2 | 24.72 | cm |
| Pion collision length | 118.5 | g cm-2 | 18.86 | cm |
| Pion interaction length | 184.6 | g cm-2 | 29.39 | cm |
| Radiation length | 9.57 | g cm-2 | 1.524 | cm |
| Critical energy | 13.23 | MeV (for e-) | 12.80 | MeV (for e+) |
| Molière radius | 15.34 | g cm-2 | 2.443 | cm |
| Plasma energy ℏωp | 47.13 | eV | ||
| Muon critical energy | 226. | GeV |
| Elem | Z | Atomic frac* | Mass frac |
| 8 | |||
| 35 | |||
| 57 | |||
| * calculated from mass fraction data | |||