Atomic and nuclear properties of materials:
Uranium (U )

Quantity	Value	Units	Value	Units
Atomic number	92
Atomic mass	[238.02891(3)]	g mole-1
Specific gravity	19.0	g cm-3
Minimum ionization	1.081	MeV g-1cm2	20.49	MeV cm-1
Nuclear collision length	118.6	g cm-2	6.258	cm
Nuclear interaction length	209.0	g cm-2	11.03	cm
Radiation length	6.00	g cm-2	0.3166	cm
Critical energy	6.65	MeV (for e-)	6.41	MeV (for e+)
Molière radius	19.12	g cm-2	1.009	cm
Plasma energy	77.99	eV
Muon critical energy	128.	GeV
Melting point	1408.	K	1135.	C
Boiling point @ 1 atm	4404.	K	4131.	C

For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Note: There is a well-defined terrestrial aboundance for uranium even though it is radioactive.
Table of isotopes
x ray mass attenuation coefficients