| Quantity | Value | Units | Value | Units | 
| <Z/A> | 0.48585 | |||
| Specific gravity | 1.800 | g cm-3 | ||
| Mean excitation energy | 98.6 | eV | ||
| Minimum ionization | 1.701 | MeV g-1cm2 | 3.062 | MeV cm-1 | 
| Nuclear collision length | 62.9 | g cm-2 | 34.96 | cm | 
| Nuclear interaction length | 93.1 | g cm-2 | 51.73 | cm | 
| Pion collision length | 89.4 | g cm-2 | 49.69 | cm | 
| Pion interaction length | 123.8 | g cm-2 | 68.76 | cm | 
| Radiation length | 35.36 | g cm-2 | 19.64 | cm | 
| Critical energy | 65.82 | MeV (for e-) | 64.02 | MeV (for e+) | 
| Molière radius | 11.39 | g cm-2 | 6.329 | cm | 
| Plasma energy ℏωp | 26.95 | eV | ||
| Muon critical energy | 879. | GeV | 
| Elem | Z | Atomic frac* | Mass frac | 
| 1 | |||
| 6 | |||
| 9 | |||
| * calculated from mass fraction data | |||