Definition of pyrargyrite in English:

pyrargyrite

noun

mass noun
  • A dark reddish-grey mineral consisting of a sulphide of silver and antimony.

    • ‘Ore mineralization consists of free gold, electrum, and pyrargyrite.’
    • ‘Pseudomorphs of marcasite, chalcopyrite, pyrite, arsenopyrite, pyrargyrite, magnetite, and quartz after pyrrhotite have been reported.’
    • ‘Hurst describes the vugs as containing gold, silver, polybasite, pyrargyrite, and tetrahedrite.’
    • ‘The primary ore mineral was pyrargyrite, and much of the ore ran 500-5,000 ounces of silver per ton.’
    • ‘Hurst observed pyrargyrite partly and completely enclosing polybasite crystals on tetrahedrite.’

Origin

Mid 19th century: from Greek puro- (from pur ‘fire’) + arguros ‘silver’ + -ite.

Pronunciation

pyrargyrite

/pʌɪˈrɑːdʒɪrʌɪt/