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SC298 - Willemite, Franklinite (TL)


Locality: Franklin Mine, Franklin, Franklin Mining District, Sussex County, New Jersey, USA (MINDAT)
Size: 6 x 6 x 4 cm - Small cabinet (5-7 cm)
Weight: 250 g
minID: G4C-8A7

Black franklinite and willemite, fluorescent green (not the strongest…)

Photo in normal light.
Fluorescence under shortwave UV light (254nm Hg light).
Last update: 29 December 2020