Ytterbium - 70Yb: physical properties
Density properties
Density of solid: 6570 kg m‑3
Molar volume: 24.84 cm3
Elastic properties
Young's modulus: 24 GPa
Rigidity modulus: 9.9 GPa
Bulk modulus: 31 GPa
Poisson's ratio: 0.21 (no units)
Hardnesses
Mineral hardness: (no data) (no units)
Brinell hardness: 343 MN m-2
Vickers hardness: 206 MN m-2


Electrical properties
Electrical resistivity: 25.0 × 10‑8 Ω m; or mΩ cm
Heat and conduction
Thermal conductivity: 34.9 W m‑1 K‑1
Coefficient of linear thermal expansion: 26.3 × 10‑6 K‑1
Optical properties
Reflectivity: (no data) %
Refractive index: (no data) (no units)
Acoustic properties
Velocity of sound: 1590 m s‑1