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phenakite

play
noun phen·a·kite \ˈfe-nə-ˌkīt, ˈfē-\

Definition of phenakite

  1. :  a hard glassy mineral that consists of a silicate of beryllium and occurs especially in rhombohedral crystals



Variants of phenakite

or phenacite play \-ˌsīt\

Origin of phenakite

German Phenakit, from Greek phenak-, phenax deceiver; from its being easily mistaken for quartz


First Known Use: circa 1834


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