Staurolite(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.
Staurolitic(a.) Of or pertaining to staurolite; resembling or containing staurolite.

Words within staurolite