Definition of phenakite in English:

phenakite

(also phenacite)

noun

Mineralogy
  • A rare mineral of the trigonal system consisting of beryllium silicate, Be₂SiO₄, and occurring as colourless or white scales and prisms.

Origin

Mid 19th century; earliest use found in London and Edinburgh Philosophical Magazine. From German Phenakit from ancient Greek ϕένακ-, ϕέναξ cheat (of uncertain origin: see note) + German -it, so called on account of its having been mistaken for quartz.

Pronunciation

phenakite

/ˈfɛnəkʌɪt//ˈfiːnəkʌɪt/