Definition of phenakite
: a hard glassy mineral that consists of a silicate of beryllium and occurs especially in rhombohedral crystals
Variants of phenakite
Origin of phenakite
German Phenakit, from Greek phenak-, phenax deceiver; from its being easily mistaken for quartz
First Known Use: circa 1834
Learn More about phenakite
Britannica.com: Encyclopedia article about "phenakite"
Seen and Heard
What made you want to look up phenakite? Please tell us where you read or heard it (including the quote, if possible).