| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.43069 | |||
| Specific gravity | 6.710 | g cm-3 | ||
| Mean excitation energy | 405.4 | eV | ||
| Minimum ionization | 1.330 | MeV g-1cm2 | 8.926 | MeV cm-1 |
| Nuclear collision length | 90.4 | g cm-2 | 13.47 | cm |
| Nuclear interaction length | 147.2 | g cm-2 | 21.94 | cm |
| Pion collision length | 116.6 | g cm-2 | 17.38 | cm |
| Pion interaction length | 179.0 | g cm-2 | 26.67 | cm |
| Radiation length | 9.26 | g cm-2 | 1.380 | cm |
| Critical energy | 13.09 | MeV (for e-) | 12.67 | MeV (for e+) |
| Molière radius | 15.00 | g cm-2 | 2.235 | cm |
| Plasma energy ℏωp | 48.99 | eV | ||
| Muon critical energy | 219. | GeV |
| Elem | Z | Atomic frac* | Mass frac |
| 64 | |||
| 14 | |||
| 8 | |||
| * calculated from mass fraction data | |||