calcite and willemite-fluorescent
Cochise College    
Geology Home Page
Fluorescent Minerals   

Roger Weller, geology instructor 
copyright 2008-R.Weller

fluorescent pair- 4
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 red mineral is calcite, while the specks of bright
yellow green are willemite.

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