This spectacular, multi-colored, fluorescent specimen is from the famous Franklin Mine, Franklin, Sussex County, New Jersey. Under short wave UV the clinohedrite shows an orange response, the hardystonite purple/blue, willemite bright green, and minor amounts of calcite fluoresce red. Under visible light, pink-colored, non-fluorescent bustamite is the dominant mineral. This specimen was acquired from the collection of notable former Franklin miner Nick Zipco. 6.9 x 5.8 x 5.1 cm, 230 gms.