Bible Dictionaries
Staurolite

Webster's Dictionary

(n.) A mineral of a brown to black color occurring in prismatic crystals, often twinned so as to form groups resembling a cross. It is a silicate of aluminia and iron, and is generally found imbedded in mica schist. Called also granatite, and grenatite.

Bibliography Information
Webster, Noah. Entry for 'Staurolite'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/staurolite.html. 1828.