Lithophysa (Thundereggs) Photos
Cochise College
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Roger Weller, geology instructor                   copyright 2011


lithophysae cluster

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


lithophysae                                                                                                                                            3

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