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Copper [Cu]

Structure Cubic
Space Group : Fm-3m (No. 225)
a=3.615 Å
a=b=g=90.0
Z=4

Atomic Positional Parameters
Cu 4a 0.0000 0.0000 0.0000

Reference
HE Swanson and E Tatge (1953)
National Bureau of Standards (US), Circular, 539, 1

Mineral Chemistry
Metals may adopt one of three structure types, either face-centred cubic, body-centred cubic, or hexagonal. The elements copper, silver, gold, lead, platinum, palladium and iridium adopt a face-centred cubic structure.

Native copper is a minor ore of copper and may be found in the oxidised zones of copper sulphide deposits. Precambrian copper deposits are associated with basaltic lavas where copper bearing hydrothermal solutions have been reduced by iron minerals depositing metallic copper. Minerals associated with native copper in amygdales - or gas-bubble holes - within these basalts are native silver, epidote, zeolites and calcite.