Roger Weller, geology instructor
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.