Quartz Photos
Cochise College               
Photos of Minerals
Geology Home Page

Roger Weller, geology instructor

[email protected]    copyright 2011-R.Weller

 
dark smoky amethyst crystal-1
Brazil
 

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Photo is copyright free for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.

Specimen from the Cochise College collection
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