Geology Home Page
Roger Weller, geology instructor
firstname.lastname@example.org copyright 2011
rutilated quartz 5
Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Gemstones courtesy of Vista Gems
Specializing in precious and semiprecious stones
P.O. Box 184, Skillman, NJ 08558