Definition of richellite in English:

richellite

noun

Mineralogy
  • An amorphous iron-rich mineral occurring as reddish- or yellowish-brown masses in phosphatic sedimentary rocks.

Origin

Late 19th century; earliest use found in American Journal of Science. From French richellite from Richelle, the name of a locality near Visé in Belgium, where the mineral was discovered + -ite.

Pronunciation

richellite

/riːˈʃɛlʌɪt/