Atomic and nuclear properties of Mt Blanc rock
QuantityValueUnits ValueUnits
<Z/A> 0.48003     
Specific gravity 2.600 g cm-3   
Mean excitation energy 159.2 eV   
Minimum ionization 1.606 MeV g-1cm2 4.177 MeV cm-1
Nuclear collision length 66.8 g cm-2 25.68 cm
Nuclear interaction length 101.1 g cm-2 38.89 cm
Pion collision length 92.9 g cm-2 35.72 cm
Pion interaction length 131.0 g cm-2 50.40 cm
Radiation length 28.47 g cm-2 10.95 cm
Critical energy 50.81 MeV (for e-) 49.37 MeV (for e+)
Molière radius 11.88 g cm-2 4.570 cm
Plasma energy ℏωp 32.19 eV   
Muon critical energy 711. GeV   
Composition:
Elem ZAtomic frac* Mass frac
C
6
0.13
0.073601
Na
 11
0.87
0.926399
* calculated from mass fraction data

For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PDF TEXT
Table of muon dE/dx and Range: PDF TEXT
Explanation of some entries
Note: Ieff calculated using the ICRU37 Table 5.1 algorithm for liquids and solids