Roger Weller, geology instructor
[email protected] copyright 2011-R.Weller
Mexican agates-2
agate
3643
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of
Belkis Minerals
Stephen Hernly
P.O. Box 5744, Bisbee, Arizona 85603
(520) 432-2567