Meaning of benitoite

be•ni•to•ite

Pronunciation: (bu-nē'tō-īt"), [key]
— n.
  1. a rare mineral, barium titanium silicate, BaTiSiO, occurring in blue hexagonal crystals exhibiting dichroism.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.