Source : Webster's Revised Unabridged Dictionary (1913)

Smaragdite \Sma*rag"dite\, n. [Cf. F. smaragdite; -- so called
   from its emerald-green color. See {Smaragd}.] (Min.)
   A green foliated kind of amphibole, observed in eclogite and
   some varietis of gabbro.