Holmium - ₆₇Ho: physical properties

Density properties

• Density of solid: 8795 kg m^‑3
• Molar volume: 18.74 cm³

Elastic properties

• Young's modulus: 65 GPa
• Rigidity modulus: 26 GPa
• Bulk modulus: 40 GPa
• Poisson's ratio: 0.23 (no units)

Hardnesses

• Mineral hardness: (no data) (no units)
• Brinell hardness: 746 MN m^-2
• Vickers hardness: 481 MN m^-2

Electrical properties

• Electrical resistivity: 81.4 × 10^‑8 Ω m; or mΩ cm

Heat and conduction

• Thermal conductivity: 16 W m^‑1 K^‑1
• Coefficient of linear thermal expansion: 11.2 × 10^‑6 K^‑1

Optical properties

• Reflectivity: (no data) %
• Refractive index: (no data) (no units)

Acoustic properties

• Velocity of sound: 2760 m s^‑1