Definition of phacolite in English:

phacolite

(also phakolite)

noun

  • Mineralogy. A colourless variety of the mineral chabazite occurring in crystals of lenticular form.

Origin

Mid 19th century; earliest use found in Joseph Portlock (1794–1864), surveyor, army officer, and geologist. From phaco- + -lite, in sense 1 after German Phakolith.

Pronunciation

phacolite

/ˈfakəlʌɪt/