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  3. Copper native

Copper native mineral - You can buy these samples

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
History
Naming

after Cyprus, principal mining

place in Roman era (Cyprium)
Discovery Middle East (9000 BC)
Symbol "Cu": from Latin cuprum

Native copper
Code: 1122
Native copper
Rubtsovsky mine, Altai, Southern Siberia, RF
49*46*24mm

0.00 $ $40.00

Copper native
Code: 4567
Copper native
Dzhezkazgan, Kazakhstan
31*25*2mm

0.00 $ $10.00

Native copper
Code: 3616
Native copper
Taymetsky deposit, Kemerovo region, Southern Siberia, RF
48*35*10mm

0.00 $ $60.00

Native copper
Code: 3376
Native copper
Taymetsky deposit, Kemerovo region, Southern Siberia, RF
62*29*14mm

0.00 $ $33.33

Copper native
Code: 2517
Copper native
Rubtsovsky mine, Altai, Southern Siberia, RF
48*45*29mm

0.00 $ $40.00

Native copper (nugget) archived
Code: 197
Native copper (nugget)
Taymetsky deposit, Kemerovo region, Southern Siberia, RF
113*72*25mm

0.00 $ $290.00

Native copper archived
Code: 891
Native copper
Rubtsovsky mine, Altai, Southern Siberia, RF
33*15*11mm

0.00 $ $16.00

Native copper archived
Code: 1025
Native copper
Rubtsovsky mine, Altai, Southern Siberia, RF
36*26*16mm

0.00 $ $16.00

Native copper archived
Code: 1093
Native copper
Rubtsovsky mine, Altai, Southern Siberia, RF
62*47*41mm

0.00 $ $46.67

Native copper archived
Code: 2381
Native copper
Taymetsky deposit, Kemerovo region, Southern Siberia, RF
57*27*14mm

0.00 $ $29.95

Recommended
Cuprite, Native copper pseudomorph archived
Code: 3710
Cuprite, Native copper pseudomorph
Rubtsovskoye field, Altai, Southern Siberia, RF
31*28*21mm

0.00 $ $73.33

Native copper archived
Code: 3613
Native copper
Rubtsovskoye field, Altai, Southern Siberia, RF
77*52*18mm

0.00 $ $53.33

Native copper (nugget) archived
Code: 2642
Native copper (nugget)
Taymetsky deposit, Kemerovo region, Southern Siberia, RF
51*31*16mm

0.00 $ $53.33

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