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Copper ( ) is a chemical element with the symbol Cu (from ) and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; a freshly exposed surface has a reddish-orange color. It is used as a conductor of heat and electricity, a building material, and a constituent of various metal alloys.
- Related: Electroplating, Metal theft, Operation Tremor, Smelter, Peak copper, Anaconda Copper, Antofagasta PLC, Bingham Canyon Mine, Codelco, Grasberg mine
National Pollutant Inventory – Copper and compounds fact sheet
www.npi.gov.au/substances/copper/index.html - Web
Copper Resource Page.
www.weldaloy.com/resource_center.php - Web
The Copper Development Association
www.copper.org - Web
Gallery for «Copper»
The Third Millennium Online page on Copper
www.3rd1000.com/elements/Copper.htm - Web
Price history of copper, according to the IMF
www.indexmundi.com/commodities/?commodity=copper&months=300 - Web