Famous fluorescence! Hardystonite, Clinohedrite & Willemite. Franklin Mine, Franklin, NJ. A fantastic old mine combination specimen from a legendary, long closed, location. Clinohedrite is only found at Franklin and Sterling Hill mines, accessing the same ore body, in New Jersey. Hardystonite was found in abundance in the Franklin Mine, but not even a trace at the Sterling Hill mine, a persistent mystery. Photographed under 254 nm SW UV. 2" x 2" x 1.5", 4.5 oz