Definition of francolite in English:

francolite

noun

Mineralogy
  • A mineral of the apatite group now usually called carbonate-fluorapatite.

Origin

Mid 19th century. From the name of Wheal Franco, a former copper mine near Yelverton in south-west Devon, England, where the mineral was first identified + -lite.

Pronunciation

francolite

/ˈfraŋkəlʌɪt/