Definition of acadialite in English:

acadialite

noun

Mineralogy
  • A reddish mineral long recognized as a particular form of chabazite.

Origin

Mid 19th century; earliest use found in Thomas Thomson. From the name of Acadia, where the mineral was first found + -lite. Named acadiolite by F. Alger and C. T. Jackson; Alger later adopted the spelling acadialite, although he was not the first to use it.

Pronunciation:

acadialite

/əˈkeɪdɪəlʌɪt/