Photos of Opals
Cochise College    
Opals- Rough Opal and Specimens
Virtual Geology Museum      Hall of Gemstones  
Geology Home Page

Roger Weller, geology instructor

wellerr@cochise.edu     copyright 2008-R.Weller
 

hydrophane-1
Quilpie, Queensland, Australia
Hydrophane is a rare form of fire opal that is white while dry, but turns to brilliant
colors when soaked in water.  After it dries, it turns white again.
 

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