Obsidian Photos 
Cochise College
Photos of Rocks       

Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu    copyright 2013   


Apache tear-large-F
Superior, Arizona 
 


obsidian                                                                                                                                         4229

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