Masses of zincite crystals interspersed along a mix of franklinite and willemite. There's also a little bit of the rare mineral sussexite present on the back. With shortwave UV, the willemite pops with that neon green glow that the species is famous for. The Franklin mines are the type locality for zincite, franklinite, and sussexite, and the first two are the most recognizable species from the mines. Classic combination piece from one of the most recognizable locales in the world.