Iridium - ₇₇Ir: physical properties

Density properties

• density of the chemical elements displayed on a miniature periodic tableDensity of solid: 22650 kg m^‑3
• molar volume of the chemical elements displayed on a miniature periodic tableMolar volume: 8.52 cm³

Elastic properties

• Young's modulus of the chemical elements displayed on a miniature periodic tableYoung's modulus: 528 GPa
• Rigidity modulus of the chemical elements displayed on a miniature periodic tableRigidity modulus: 210 GPa
• bulk modulus of the chemical elements displayed on a miniature periodic tableBulk modulus: 320 GPa
• Poisson's ratio of the chemical elements displayed on a miniature periodic tablePoisson's ratio: 0.26 (no units)

Hardnesses

• mineral hardness of the chemical elements displayed on a miniature periodic tableMineral hardness: 6.5 (no units)
• Brinell hardness of the chemical elements displayed on a miniature periodic tableBrinell hardness: 1670 MN m^-2
• Vickers hardness of the chemical elements displayed on a miniature periodic tableVickers hardness: 1760 MN m^-2

Electrical properties

• electrical resistivity of the chemical elements displayed on a miniature periodic tableElectrical resistivity: 4.7 × 10^‑8 Ω m; or mΩ cm

Heat and conduction

• Thermal conductivity of the chemical elements on a miniature periodic table spark tableThermal conductivity: 150 W m^‑1 K^‑1
• coefficient of linear expansion of the chemical elements displayed on a miniature periodic tableCoefficient of linear thermal expansion: 6.4 × 10^‑6 K^‑1

Optical properties

image calculated by Patrick Callet

The image above is a virtual representation of iridium metal calculated by Patrick Callet using the complex diectric function of the element only.

• reflectivity of the chemical elements displayed on a miniature periodic tableReflectivity: 78 %
• refractive index of the chemical elements displayed on a miniature periodic tableRefractive index: (no data) (no units)

Acoustic properties

• velocity of sound of the chemical elements displayed on a miniature periodic tableVelocity of sound: 4825 m s^‑1