Topaz
Photos
Roger Weller, geology instructor
wellerr@cochise.edu copyright 2010-R.Weller
topaz crystals of various colors
Topaz is number eight on Mohs scale of
hardness. Topaz can occur in a wide
variety of colors.

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