The Collaborative International Dictionary of English v.0.48:

Levyne \Lev"yne\ (l[e^]v"[i^]n), Levynite \Lev"yn*ite\
   (-[i^]n*[imac]t), n. [From Mr. Levy, an English
   mineralogist.] (Min.)
   A whitish, reddish, or yellowish, transparent or translucent
   mineral, allied to chabazite.
   [1913 Webster]