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en.wikipedia.org/wiki/Copper

Copper is a chemical element with symbol Cu (from Latin: cuprum) and atomic number 29. ... In humans, copper is found mainly in the liver, muscle, and bone.

www.copper.org/education/Kids/copperandkids_wheredoescopper.html

Copper is found in many parts of the world. It usually comes from copper ore, but small amounts are occasionally found ("native copper") in distorted cubic crystal ...

scienceviews.com/geology/copper.html

Although native copper is somewhat rare, large amounts are found by the Great Lakes and was mined by ancient American cultures. Copper is usually found in ...

www.farmerscopper.com/blog/where-does-copper-come-from

Copper is found in many parts of the world. It usually comes from copper ore, but small amounts are occasionally found (“native copper”) in distorted cubic crystal ...

www.desertusa.com/rocks-minerals/copper.html

Copper found in the free metallic state in nature is called "native copper." It is found throughout the world as a primary mineral in basaltic lavas. The greatest ...

resources.schoolscience.co.uk/CDA/11-14/chemistry/copch32pg1.html

Copper is an unreactive metal - it reacts only slowly with the atmosphere. This means that huge lumps of copper metal are found buried in the ground as nuggets ...

www.mining-technology.com/features/feature-the-10-biggest-copper-mines-in-the-world

Nov 4, 2013 ... Escondida copper mine in Chile is the largest copper mine in the world. ... The copper deposit was discovered in 1920 and mining operations ...

www.britannica.com/science/copper

Copper is found in the free metallic state in nature. This native copper was first used (c. 8000 bce) as a substitute for stone by Neolithic (New Stone Age) humans ...

www.australianminesatlas.gov.au/education/rock_files/copper.html

Early coppersmiths in Iran found that heating copper softened it and hammering copper made it harder. In this way, they could shape copper into various useful ...