Definition of hiddenite in English:

hiddenite

noun

  • A rare green gem variety of spodumene.

    • ‘This type of pegmatite, or one closely allied to it, also contains hiddenite as hypidiomorphic crystals within the pegmatite itself.’
    • ‘It is well known as a common constituent of what appear to be alpine-cleft-type pockets that locally contain emerald and spodumene (the variety hiddenite) in Alexander County.’

Origin

Late 19th century: named after William E. Hidden (1832–1918), American mineralogist.

Pronunciation

hiddenite

/ˈhidnˌīt/