Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
faceted blue topaz-irradiated
When exposed to radiation from a nuclear
reactor, colorless topaz turns blue colored.
topaz
trays8
Photo is copyright free for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Gemstones courtesy
of Rakhi Gems
Aby Kothari and
Kushal Jain
Specializing in faceted and cabochon gemstones
(888)-565-4274
[email protected]