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CUIVRE NOIR [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-01-22

English

Subject field(s)
  • Mineralogy
  • Copper Mining
Universal entry(ies)
CuO
formula
DEF

A triclinic mineral [which] occurs in minute, shining, steel- or iron-gray scales, in black powder, or in black earthy masses, generally in the oxidized (weathered) zones or gossans of copper deposits.

OBS

Tenorite is an ore of copper.

French

Domaine(s)
  • Minéralogie
  • Mines de cuivre
Entrée(s) universelle(s)
CuO
formula
DEF

Minéral de cuivre (oxyde), du système cristallin monoclinique, se présentant en masses noires terreuses.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Minas de cobre
Entrada(s) universal(es)
CuO
formula
DEF

Óxido de cobre [...] que cristaliza en el sistema monoclínico [...]

OBS

[...] se encuentra en forma de pequeñas escamas grises, brillantes y flexibles.

Save record 1

Record 2 2004-12-10

English

Subject field(s)
  • Copper and Copper Alloys (Metallurgy)
DEF

An impure form of copper produced by smelting impure copper scrap and/or oxidized copper ores, usually in a blast furnace. The copper content varies widely, usually in a range of approximately 60 to 85%.

French

Domaine(s)
  • Cuivre et alliages du cuivre (Métallurgie)
DEF

Forme impure de cuivre obtenue par réduction de déchets impurs de cuivre et/ou de minerais de cuivre oxydés, habituellement dans un haut-fourneau. La teneur en cuivre varie considérablement dans les limites approximatives de 60 à 85 %.

Spanish

Campo(s) temático(s)
  • Cobre y sus aleaciones (Metalurgia)
DEF

[Cobre] que no ha sido purificado.

Save record 2

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