Definition of luckite in US English:

luckite

noun

Mineralogy
  • A variety of melanterite containing some manganese.

Origin

Late 19th century; earliest use found in Chemical News. From French luckite from luck- (in Lucky Boy, the name of the silver mine in Utah where the mineral was first found) + -ite.

Pronunciation

luckite

/ˈlʌkʌɪt/