Meaning of tennantite in English:

tennantite

Pronunciation /ˈtɛnəntʌɪt/

noun

mass noun
  • A grey-black mineral consisting of a sulphide of copper, iron, and arsenic. It is an important ore of copper.

    ‘In the orebody galena occurred as large masses associated with pyrite, chalcopyrite, and tennantite.’
    • ‘Initially, the glassy brown crystals associated with quartz and tennantite were misidentified as anglesite.’
    • ‘The orebody contained an exotic suite of minerals, including mercury, tennantite, and tetradymite, all of no commercial value.’

Origin

Mid 19th century from the name of Smithson Tennant (1761–1815), English chemist, + -ite.