Hexagonal-Trigonal SystemRoger Weller, geology instructor
wellerr@cochise.edu
copyright 2008-R.Weller
wooden crystal model
model # 87-1
dihexagonal pyramid and basal pinacoid (2130) (0001)
seen in pyrrhotite

Photo is copyright free for non-commercial educational
uses. Just credit photo to R.Weller/Cochise College.