Meaning of microlite

mi•cro•lite

Pronunciation: (mī'kru-līt"), [key]
— n. Mineral.
  1. any microscopic crystal.
  2. a mineral, principally calcium pyrotantalate, CaTaO, usually including niobium, fluorine, and other impurities, occurring in cubic crystals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.