Definition of pyrrhotite in English:

pyrrhotite

Line breaks: pyr¦rho|tite
Pronunciation: /ˈpɪrətʌɪt
 
/

noun

[mass noun]
  • A reddish-bronze mineral consisting of iron sulphide, typically forming massive or granular deposits.
    More example sentences
    • Microcrystals of pyrrhotite, goethite, pyrite, galena, and calcite are found on the dumps.
    • We have also seen several specimens in which pyrite has replaced a hexagonal mineral that was probably pyrrhotite.
    • Secondary titanite, chlorite, white mica and pyrrhotite are abundant, and some samples contain metamorphic biotite.

Origin

mid 19th century: from Greek purrhotēs 'redness' + -ite1.

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