Definition of rhodusite in US English:

rhodusite

noun

Mineralogy
  • An amphibole mineral occurring as elongated or asbestos-like dark blue fibres, and now identified with magnesioriebeckite.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society. From German Rhodusit from classical Latin Rhodus, the name of Rhodes + German -it.

Pronunciation

rhodusite

/ˈrəʊdəsʌɪt/