       Rhyolite Photos
Cochise College
Photos of Rocks      Igneous Rocks
Virtual Geology Museum       Hall of Rocks
Geology Home Page
Roger Weller, geology instructor

rhyolite, light gray
This is a very typical example of rhyolite.
It is light gray in color and very fine-grained.

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