Definition of alalite in English:

alalite

noun

Mineralogy
rare
  • A mineral regarded as a variety of or identical with diopside.

Origin

Early 19th century. From Ala, the name of a valley in the Piedmont region of northern Italy, where the mineral was found + -lite, after French alalite.

Pronunciation

alalite

/ˈaləlʌɪt/