Fluorite Photos
Cochise College               
Photos of Minerals
Virtual Geology Museum      Hall of Minerals

Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu    copyright 2008-R.Weller

 
fluorite with iridescence-1
Cave-in-Rock, Illinois
Air gap in a cleavage opening produces a rainbow-like effect known as
Newton's rings.
 

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