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Resistivities for common metals

The following table shows the resistivities of several materials. The values are correct at 20 degrees Celsius.

ElementResistivity at 20 °C (Ω.m)
Aluminum2.82 x 10-8
Carbon (Graphite)3.5 x 10-5
Constantan4.9 x 10-7
Copper1.7 x 10-8
Germanium4.6 x 10-1
Glass1010 to 1014
Gold2.44 x 10-8
Iron1.0 x 10-7
Lead2.2 x 10-7
Manganin4.82 x 10-7
Mercury9.8 x 10-7
Platinum1.1 x 10-7
Quartz (fused)7.5 x 1017
Silicon6.40 x 102
Silver1.59 x 10-8
Tungsten5.6 x 10-8

References:
http://en.wikipedia.org/wiki/Resistivity
http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/rstiv.html