- Calcite, Dolomite, Pyrite, Chalcopyrite
- Sweetwater Mine (Milliken Mine; Frank R. Milliken; Blair Creek; Ozark Lead Company Mine; Adair Creek; Logan Creek), Ellington, Viburnum Trend District, Reynolds Co., Missouri, USA
- Cabinet, 9.5 x 6.7 x 4.0 cm
A classic golden scalenohedral Calcite crystal with sharp, lustrous faces and great form. The crystal sits on a matrix of white/grey Dolomite with Pyrite and iridescent Chalcopyrite. Not nearly as common on the market as they once were, and easily some of the most well known American Calcite specimens extant.