Doubly terminated Calcite with Dolomite, Sphalerite and Pyrite

Sweetwater Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri  USA

Specimen size: 15.4 × 7.8 × 5.4 cm = 6.06” × 3.07” × 2.13”
Main crystal size: 15.4 × 5.3 cm = 6.06” × 2.09”