Specimen # 921202

Specimen Locality: Delphi Quarry, Delphi, Carroll County, Indiana

Mineral Description: A cluster of chocolate-brown sphalerite crystals with some translucency around the edges of crystals. The Delphi Quarry is mining from the Wabash Formation (Silurian Period, around 425 Million years old). The quarry began operations in the 1930s. Height: 6.5 Width: 5 Depth: 4 cm