Main Entry: phen·a·kite

Pronunciation: \ˈfe-nə-ˌkīt, ˈfē-\

Variant(s): or phen·a·cite \-ˌsīt\

Function: noun

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

Date: circa 1834

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