Hardystonite under shortwave UV Light



Hardystonite vein, willemite, calcite, and franklinite from Franklin, NJ under shortwave UV light. The hardystonite fluoresces violet blue, calcite red orange and willemite green, the franklinite is non-fluorescent. 10" x 6". Photo by WP.


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