Hardystonite under shortwave UV Light



Hardystonite, willemite, esperite, franklinite and minor calcite from Franklin, NJ under shortwave UV light. 4 3/4" x 3 5/8". The hardystonite fluoresces violet, willemite green, esperite yellow and calcite red-orange, the franklinite is non-fluorescent. From the collection of, and photo by Robert A. Boymistruk.


Hardystonite, willemite, esperite, franklinite and minor calcite from Franklin, NJ under shortwave UV Light