| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.46374 | |||
| Specific gravity | 5.500 | g cm-3 | ||
| Mean excitation energy | 239.3 | eV | ||
| Minimum ionization | 1.492 | MeV g-1cm2 | 8.205 | MeV cm-1 |
| Nuclear collision length | 76.4 | g cm-2 | 13.90 | cm |
| Nuclear interaction length | 119.8 | g cm-2 | 21.78 | cm |
| Pion collision length | 103.0 | g cm-2 | 18.73 | cm |
| Pion interaction length | 151.1 | g cm-2 | 27.48 | cm |
| Radiation length | 14.81 | g cm-2 | 2.693 | cm |
| Critical energy | 23.75 | MeV (for e-) | 23.02 | MeV (for e+) |
| Molière radius | 13.22 | g cm-2 | 2.404 | cm |
| Plasma energy ℏωp | 46.02 | eV | ||
| Muon critical energy | 370. | GeV |
| Elem | Z | Atomic frac* | Mass frac |
| 39 | |||
| 13 | |||
| 8 | |||
| * calculated from mass fraction data | |||