Tetragonal System Cochise College
Crystals and Crystal Models
Virtual Geology Museum Hall of Minerals
Tetragonal System Roger Weller, geology instructor
wellerr@cochise.edu
copyright 2008-R.Weller
wulfenite-4
Photo is copyright free for non-commercial educational
uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of
Blue Cat Minerals
Nathan and April Aloisio