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Luca Esposito

Il rame è l'elemento chimico di numero atomico 29 e il suo simbolo è Cu. È il primo elemento del gruppo 11 del sistema periodico, facente parte del blocco d, ed è quindi un elemento di transizione. Il rame metallico è il secondo miglior conduttore di elettricità dopo l'argento, seguito poi dall'oro.
È anche chiamato "oro rosso" per via della sua colorazione.il rame è il metallo che l'umanità usa da più tempo.
Il rame era già noto ad alcune delle più antiche civiltà di cui abbiamo testimonianze, la storia del suo impiego si stima abbia almeno 10 000 anni.

Nugget di rame, proveniente MICHIGAN'S LAKE SUPERIOR COPPER DISTRICT, America Centrale e Caraibi.

Peso: 1490g
Misure: 16x14x4cm
Spedizione con corriere espresso (tracking)

Michigan's Lake Superior Copper District, Middle America and Caribbean

Copper nugget - Height: 4 cm - Width: 14 cm- 1490 g - (1)

Minerals & Meteorites

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.925 silver

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Period

Paleogene, Eocene (56 - 33.9 million years)

2026

1850-1900

1990-2000

Neogene, Miocene (23.03 - 5.33 million years)

Paleogene, Oligocene (33.9 - 23.03 million years)

2020+

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Cretaceous, Upper (100.5 - 66 million years)

Paleogene (66 - 23.03 million years)

Ordovician (485.4 - 443.8 million years)

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20th - early (WW I)

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GEM-TECH Istituto Gemmologico

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CITES Appendix II - Annex B in the EU

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Copper nugget - Height: 4 cm - Width: 14 cm- 1490 g - (1)

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