TERMIUM Plus®

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PURPLE COPPER ORE [1 record]

Record 1 2011-07-22

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
Cu5FeS4
formula, see observation
DEF

A reddish-brown or copper-red rhombohedral mineral, which consists of a sulfide of copper and iron, tarnishing rapidly to iridescent purple or blue when exposed to air.

CONT

Bornite occurs locally in copper-rich zones.

OBS

bornite : ... Its characteristic and colorful tarnish has given rise to the old miner's term "peacock ore".

OBS

horseflesh ore: Cornish term for bornite.

OBS

Chemical formula: Cu5FeS4

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
Cu5FeS4
formula, see observation
DEF

Minéral du système rhomboédrique constitué d'un sulfure de fer et de cuivre se présentant en masses compactes dont la couleur varie du rouge cuivre au brun-violet, avec une surface qui s'irise par oxydation (d'où l'ancien nom de «cuivre panaché».)

CONT

De la bornite se rencontre localement dans les secteurs riches en cuivre.

OBS

Étymologie : en l'honneur du minéralogiste autrichien von Born.

OBS

Formule chimique : Cu5FeS4

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
Cu5FeS4
formula, see observation
DEF

Sulfuro de cobre y hierro [...] que cristaliza en el sistema cúbico.

OBS

Contiene de 65 a 69% de cobre y es una de las menas más importantes de este metal; existe en Chile, Bolivia, Perú, México, España y otros países.

OBS

Fórmula química: Cu5FeS4

OBS

bornita: Nombre en honor de Ignaz van Born, mineralogista austríaco.

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