Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
emerald crystal-1
Columbia
beryl
3-tle
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Gemstones courtesy
of T.L.E. Internacional
Pedro Arevalo
Specializing in Columbian emeralds
(571) 341-4720
[email protected]