This is a truly classic 3-color fluorescent rock from the Franklin Mine, Franklin, New Jersey, that provides a spectacular example of why Franklin is known as the Fluorescent Mineral Capital of the World. This specimen contains light colored hardystonite, willemite and calcite, and dark olive/brown andradite garnet. Under short wave UV, the hardystonite fluoresces blue, the willemite bright green, and the calcite red/orange. The andradite is not fluorescent. The size of this specimen is 6.4 x 6.0 x 4.8 cm, and it weighs 268 grams.