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Beautiful 3-Color Rock from Franklin, New Jersey

This is a truly classic 3-color fluorescent rock from the Franklin Mine, Franklin, New Jersey. This technicolor specimen provides a spectacular example of why Franklin is known as the Fluorescent Mineral Capital of the World. When viewed under visible light, this specimen features 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.

Side A, short wave UV (254 nm).

Side A, visible light.

Side B, short wave UV (254 nm).

Side B, visible light.

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