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Webster 1913 Edition


Phenacite

Phen′a-cite

,
Noun.
[Gr.
φέναξ
,
φένακος
, impostor, deceiver.]
(Min.)
A glassy colorless mineral occurring in rhombohedral crystals, sometimes used as a gem. It is a silicate of glucina, and receives its name from its deceptive similarity to quartz.