copper
Instance URI: http://resource.geosciml.org/classifier/cgi/commodity-code/copper
Within scheme: South Australian Commodity Codes
Copper is a chemical element with the symbol Cu 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.