Geology Home Page
Roger Weller, geology instructor
wellerr@cochise.edu
Gemstones-Main Page
last edited:
4/17/18
number of photos: 2014
Transparent Gemstones
are usually faceted. (567 photos)
faceted
gemstones-Opal's Pals
amethyst
Translucent Gemstones
are usually cut and polished as
cabochons or carvings. (1016 photos)
cabochons-Opal's Pals
chrysocolla and
malachite
Synthetic and Treated Gemstones
(61 photos)
mostly cubic zircona
Opals,
the Queen of Gemstones
(281 photos)
fire opal in gold
Ocean
Jasper
Gemstone Properties
Photos are copyright free for non-commercial educational uses.
Just credit
photos to R.Weller/Cochise College. copyright 2018-R.Weller
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