Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
fluorite-green-3
Shizhyan, Hunan, China
fluorite
17
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Mineral specimen courtesy of Douglass Minerals
Dave and Liz Douglass
10985 N. Poinsettia Drive, Tucson, Arizona 85737
(520) 742-0294
[email protected]