Sussexite is named in 1868 by George Jarvis Brush after the type localities, which are both located in Sussex County, New Jersey, USA (location of the Franklin and Sterling Hill orebodies). Sussexite is the light coloured part of this specimen.Franklinite is named in 1819 by Pierre Berthier for the type locality of Franklin Furnace (now Franklin Borough), New Jersey. It is a zinc-iron oxide.
SUSSEXITE on FRANKLINITE
Dim.: 110 x 32 x 55 mm. Weight: 266 grams. Origin: Sussex County, New Jersey, USA