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Butte, city, United States

(Encyclopedia) Butte Butte by&oomacr;t [key], city (2020 pop. 34,494), seat of Silver Bow co., SW Mont.; inc…

malachite

(Encyclopedia) malachitemalachitemălˈəkīt [key], a mineral, the green basic carbonate of copper occurring in crystals of the monoclinic system or (more usually) in masses. It is translucent or opaque…

Daly, Marcus

(Encyclopedia) Daly, Marcus, 1841–1900, American copper magnate, b. Ireland. He went to New York City at 15 and later moved to California, where he worked as a miner. He was employed by the “silver…

Periodic Table of the Elements: Copper

(Encyclopedia) Periodic Table of the Elements: Copper Atomic Number: 29 Atomic Symbol: Cu Copper Atomic Weight: 63.546 Electron Configuration: 2 · 8 · 18 · 1

Kolwezi

(Encyclopedia) KolweziKolwezikōlwĕzˈē [key], city (1984 pop. 416,122), Haut-Katanga prov., SE Congo (Kinshasa). It is a center for copper and cobalt mining. There are copper-ore concentration plants…

Paris green

(Encyclopedia) Paris green, also called Schweinfurt green, an extremely poisonous, bright green powder that was formerly used extensively as a pigment (e.g., in wallpaper) and that is sometimes used…

Avesta, city, Sweden

(Encyclopedia) AvestaAvestaäˈvəstäˌ [key], city (1990 est. pop. 16,860), Kopparberg co., S central Sweden, on the Dalälven River. Aluminum and high quality steel are manufactured there. Formerly a…

cupric

(Encyclopedia) cupriccupricky&oomacr;ˈprĭk [key], copper in the +2 valence state.

cuprous

(Encyclopedia) cuprouscuprousky&oomacr;ˈprəs [key], copper in the +1 valence state.

Chingola

(Encyclopedia) Chingola Chingola chĭng-gōˈlä [key], city, N central Zambia. It is a copper-mining center, located on…