petalite: Meaning and Definition of

pet•al•ite

Pronunciation: (pet'l-īt"), [key]
— n.
  1. a mineral, lithium aluminum silicate, Li(AlSiO), occurring in colorless or white foliated masses: an important source of lithium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.