Hardystonite under shortwave UV Light



Hardystonite, willemite and franklinite, from Franklin, NJ under shortwave UV light. The hardystonite fluoresces light violet and willemite green, franklinite is non-fluorescent. Photo by WP.


Hardystonite (SW FL lilac, LW FL cream), willemite, franklinite, Franklin NJ under shortwave UV Light