a dark-colored mineral, (Fe,Mg)AlSiO(OH), a silicate of iron and aluminum: the crystals are often found twinned in the form of a cross
Origin of stauroliteFrench from Classical Greek stauros, a cross, post ( from Indo-European an unverified form steur- from source Old Norse staurr, post: see steer) + -lite, -lite
A brownish to black mineral, chiefly (FeMg)2Al9Si4O23(OH), often having crossed intergrown crystals and sometimes used as a gem.
Origin of stauroliteGreek stauros cross ; see stā- in Indo-European roots. -lite