Rhyolite Photos 
Cochise College        
Photos of Gemstones   Translucent Gemstones
Virtual Geology Museum    Hall of Gemstones

Geology Home Page              

Roger Weller, geology instructor

wellerr@cochise.edu   copyright 2007    
 

Nevada wonderstone-B
a silicified rhyolite-unpolished slab
Specimen's pattern is due to Lisegang structure.
 

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

Specimen from the Cochise College collection
Cochise172