Willemite and Calcite-fluorescent
Cochise College    
Geology Home Page
Fluorescent Minerals
Roger Weller, geology instructor

copyright 2018-R.Weller

Fluorescent Pair-2
Franklin New Jersey

The first view is a mineral observed under normal light, while the second
is the same mineral viewed under ultraviolet light.

The fluorescent bright yellow green is willemite and the bright red
fluorescent mineral is calcite.  

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.