Franklinite with Calcite and Willemite - Sterling Mine, USA - 10.1 × 6.4 × 5.4 cm
Mineral: Franklinite with Calcite and Willemite
Locality: Sterling Mine, Sterling Hill, Ogdensburg, Franklin mining district, Sussex County, New Jersey, USA
Dimensions: 10.1 × 6.4 × 5.4 cm

Description: Octahedral Franklinite crystals of considerable size for the species, with sharp crystal forms, and with better luster than usual. On a Calcite matrix with Willemite. From one of the type localities for the species.