Gold

Gold: physical properties

Temperatures

• Melting point: 1337.33 [or 1064.18 °C (1947.52 °F)] K
• Boiling point: 3129 [or 2856 °C (5173 °F)] K (liquid range: 1791.67  K
• Critical temperature: no data  K
• Superconduction temperature: no data  K

• Animate the above image by quicktime movie
• Animate the above image by animated gif

Expansion and conduction properties

• Thermal conductivity: 320  W m^-1 K^-1
• Coefficient of linear thermal expansion: 14.2  x 10^-6 K^-1

Bulk properties

• Density of solid: 19300  kg m^-3
• Molar volume: 10.21  cm³
• Velocity of sound: 1740  m s^-1

Elastic properties

• Youngs modulus: 78  GPa
• Rigidity modulus: 27  GPa
• Bulk modulus: 220  GPa
• Poissons ratio: 0.44  (no units)

Hardnesses

• Mineral hardness: 2.5  (no units)
• Brinell hardness: 2450  MN m^-2
• Vickers hardness: 216  MN m^-2

Electrical properties

• Electrical resistivity: 2.2  10^-8 Ω m; or mΩ cm

Optical properties

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

• Reflectivity: 95  %
• Refractive index: no data  (no units)

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Gold	Or
Gold	Goud
Oro	Oro
Guld	Ouro