| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.53170 | |||
| Specific gravity | 1.58 | g cm-3 | ||
| Minimum ionization | 1.884 | MeV g-1cm2 | 2.977 | MeV cm-1 |
| Nuclear collision length | 58.8 | g cm-2 | 37.20 | cm |
| Nuclear interaction length | 84.4 | g cm-2 | 53.37 | cm |
| Radiation length | 38.60 | g cm-2 | 24.42 | cm |
| Critical energy | 79.41 | MeV (for e-) | 77.27 | MeV (for e+) |
| Molière radius | 10.31 | g cm-2 | 6.522 | cm |
Plasma energy ![]() |
26.42 | eV | ||
| Muon critical energy | 1038. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 1 | |||
| 6 | |||
| 8 | |||
| * calculated from mass fraction data. | |||