Moscow, Russia
Shipping: worldwide
We work 7 days a week
Orders are accepted
around the clock
Product search
Diameter, mm (1mm - 0,039inch)

Polished stones - full range in stock "Copper native"

Copper is a mineral from the class of native elements. Forms large stocks. The largest specimens of copper nuggets reached 420 kg. One of the first metals that people began to use, which was determined by its low melting point.

You can see native copper stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Copper native

Physical properties
Phase at STP solid
Melting point 1357.77 K ​(1084.62 °C, ​1984.32 °F)
Boiling point 2835 K ​(2562 °C, ​4643 °F)
Density (near r.t.) 8.96 g/cm3
when liquid (at m.p.) 8.02 g/cm3
Heat of fusion 13.26 kJ/mol
Heat of vaporization 300.4 kJ/mol
Molar heat capacity 24.440 J/(mol·K)
Atomic properties
Oxidation states −2, 0,+1+2, +3, +4 (a mildly basic oxide)
Electronegativity Pauling scale: 1.90
Ionization energies
  • 1st: 745.5 kJ/mol
  • 2nd: 1957.9 kJ/mol
  • 3rd: 3555 kJ/mol
  • (more)
Atomic radius empirical: 128 pm
Covalent radius 132±4 pm
Van der Waals radius 140 pm
Color lines in a spectral range
Spectral lines of copper
Other properties
Natural occurrence primordial
Crystal structure ​face-centered cubic (fcc)
Face-centered cubic crystal structure for copper
Speed of sound thin rod (annealed)
3810 m/s (at r.t.)
Thermal expansion 16.5 µm/(m⋅K) (at 25 °C)
Thermal conductivity 401 W/(m⋅K)
Electrical resistivity 16.78 nΩ⋅m (at 20 °C)
Magnetic ordering diamagnetic
Molar magnetic susceptibility −5.46×10−6 cm3/mol
Young's modulus 110–128 GPa
Shear modulus 48 GPa
Bulk modulus 140 GPa
Poisson ratio 0.34
Mohs hardness 3.0
Vickers hardness 343–369 MPa
Brinell hardness 235–878 MPa
CAS Number 7440-50-8

after Cyprus, principal mining

place in Roman era (Cyprium)

Discovery Middle East (9000 BC)
Symbol "Cu": from Latin cuprum

Code: 3376
Taymetsky deposit, Kemerovo region, Southern Siberia, RF

0.00 $ $33.33

Code: 2381
Taymetsky deposit, Kemerovo region, Southern Siberia, RF

0.00 $ $29.95

I want to receive information about new products