Margarite
Pronunciation : Mar"ga*rite
Part of Speech : n.
Etymology : [L. margarita, Gr. marguerite.]
Definition : 1. A pearl. [Obs.] Peacham.
2. (Min.)
Defn: A mineral related to the micas, but low in silica and yielding brittle folia with pearly luster.
Source : Webster's Unabridged Dictionary, 1913