| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.42747 | |||
| Density | 7.90 | g cm-3 | ||
| Mean excitation energy | 468.3 | eV | ||
| Minimum ionization | 1.280 | MeV g-1cm2 | 10.12 | MeV cm-1 |
| Nuclear collision length | 93.1 | g cm-2 | 11.78 | cm |
| Nuclear interaction length | 153.1 | g cm-2 | 19.37 | cm |
| Pion collision length | 119.1 | g cm-2 | 15.08 | cm |
| Pion interaction length | 184.5 | g cm-2 | 23.35 | cm |
| Radiation length | 8.67 | g cm-2 | 1.098 | cm |
| Critical energy | 11.71 | MeV (for e-) | 11.31 | MeV (for e+) |
| Molière radius | 15.70 | g cm-2 | 1.988 | cm |
Plasma energy ![]() |
52.95 | eV | ||
| Muon critical energy | 204. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 8 | |||
| 48 | |||
| 74 | |||
| * calculated from mass fraction data. | |||