Turquoise
Bisbee, Arizona
last edited: 4/11/17 number of photos:
23
Turquoise is CuO.3Al2O3.2P2O5.9H2O
photos
turquoise veins: A B C D E F G H I
turquoise cabochons: A B C D E F G H
Photos are copyright free for non-commercial educational purposes.
Just
credit photos to R.Weller/Cochise College.
copyright 2017-R.Weller
Also visit Photos of Minerals- Turquoise
and Photos of Gemstones- Turquoise