Definition of chalcopyrite in English:

chalcopyrite

noun

  • [mass noun] A yellow crystalline mineral consisting of a sulphide of copper and iron. It is the principal ore of copper.

    Also called copper pyrites
    • ‘Tiny crystals of hematite, goethite, chalcopyrite, marcasite, and dolomite are common and make excellent micromounts.’
    • ‘The main ore minerals are galena, chalcopyrite, sphalerite, and tetrahedrite that are associated with quartz and barite gangue.’
    • ‘Vein minerals are barite, calcite, chalcopyrite, galena, pyrite, and sphalerite.’
    • ‘Barite, sphalerite, and calcite are the most abundant vein minerals; pyrite, kaolinite, chalcopyrite, galena, and wurtzite are less common.’
    • ‘Gold occurs in quartz veins with chalcopyrite, galena, pyrite, and sphalerite.’

Origin

Mid 19th century: from modern Latin chalcopyrites, from Greek khalkos copper + puritēs (see pyrites).

Pronunciation:

chalcopyrite

/ˌkalkə(ʊ)ˈpʌɪrʌɪt/