bornite

Etymology
, named after Austrian mineralogist.

Noun

 * 1)  A reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula Cu5FeS and is an important ore of copper.

Synonyms

 * (obsolete)
 * , (informal)

Translations

 * Catalan: bornita
 * Finnish: borniitti, kirjava kuparikiisu
 * Hungarian: bornit
 * Serbo-Croatian:
 * Spanish: bornita