Definition of ferrotellurite in English:

ferrotellurite

noun

rare, disused
  • A mineral of uncertain identity, perhaps impure tellurite, reported to occur in Colorado as microscopic yellow crystals.

Origin

Late 19th century.

Pronunciation

ferrotellurite

/ˌfɛrə(ʊ)ˈtɛljʊrʌɪt/