Copper nugget - Height: 2 cm - Width: 16 cm- 1140 g - (1)

Copper is the chemical element with atomic number 29, and its symbol is Cu. It is the first element of group 11 in the periodic system, part of the d-block, and is therefore a transition element. Metallic copper is the second best conductor of electricity after silver, followed by gold.
It is also called 'red gold' because of its coloration. Copper is the metal that humanity has used for the longest time.
Copper was already known to some of the earliest civilizations for which we have evidence; the history of its use is estimated to be at least 10,000 years old.

Copper nugget, from Michigan's Lake Superior Copper District, Central America, and the Caribbean.

Weight: 1140g
Dimensions: 17x16x2 cm
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