Lithophysa (Thunderegg) Photos
Cochise College
Photos of Rocks       
Igneous Rocks
Geology Home Page
Roger Weller, geology instructor                   copyright 2011


lithophysa (thunderegg), polished-C
Here is an unusual thunderegg with a small agate-filled thunderegg
within a larger agate-filled thunderegg.


lithophysa                                                                                                                      thunderegg3

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