Definition of natrojarosite in English:

natrojarosite

Pronunciation /ˌneɪtrə(ʊ)ˈdʒarəsʌɪt/ /ˌnatrə(ʊ)ˈdʒarəsʌɪt/

noun

Mineralogy
  • A basic trigonal sulphate of sodium and iron, NaFe₃ 3+(SO₄)₂ (OH)₆, occurring as a secondary mineral as yellow or brown crystals.

Origin

Early 20th century. From natro- + jarosite.