Lithophysa (Thundereggs) Photos
Cochise College
Photos of Rocks      Igneous Rocks
Virtual Geology Museum       Hall of Rocks
Geology Home Page
Roger Weller, geology instructor

lithophysae cluster

A lithophysa is a rounded, bubble like spherulite found within obsidian or rhyolite.
The plural of lithophysa is lithophysae.

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