The deep purple fluorescence of Hardystonite in contrast with non-fluorescent Franklinite intersected by bursts of bright green Willemite and a hint of orange Calcite. A fantastic old mine combination specimen from a legendary, long closed, location. Franklin Mine, Franklin, Sussex County, New Jersey, USA. Photographed under 254 nm SW UV. 3" x 2.5" x 1.5", 11.5 oz