/ Dictionary / Index S staurolite: Meaning and Definition of Find definitions for: stau•ro•lite Pronunciation: (stôr'u-līt"), [key] — n. a mineral, basic iron aluminum silicate, FeAlO(SiO)(OH), occurring in brown to black prismatic crystals, which are often twinned in the form of a cross. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Staunton stauropegion Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language