Reference 1: Typical values for shear modulus (GPa) (at room temperature).
Reference 2: Diamond[2], Steel[3], Copper[4], Titanium[3], Glass[3], Aluminium[3], Iron[5], Polyethylene[3] and Rubber[6].
Source: http://en.wikipedia.org/wiki/Shear_modulus
Reference 2: Diamond[2], Steel[3], Copper[4], Titanium[3], Glass[3], Aluminium[3], Iron[5], Polyethylene[3] and Rubber[6].
Source: http://en.wikipedia.org/wiki/Shear_modulus