A large auge (8 mm in diameter) of schallerite from the specimen pictured above, showing a thin schallerite rim around a core of barite. Several other augen are visible to the left but are seen almost edgewise due to the irregular shape of the specimen surface.
Identifier: SCH4c Locality: Franklin mine, Franklin Specimen size: 8.5 x 7 x 5.5 cm Photo credit: Richard Schnurr (Fox Tail Images)