Hardystonite under longwave UV Light



Hardystonite, willemite and franklinite, from Franklin, NJ under longwave UV light. The hardystonite fluoresces cream to white (uncommon) and light violet, franklinite is non-fluorescent. Photo by WP.


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