Witherite with Calcite

Minerva I Mine, Ozark-Mahoning group, Cave-in-Rock Sub-District, Hardin County, Illinois  USA (±1978)

Specimen size: 4.7 × 4.2 × 3 cm = 1.85” × 1.65” × 1.18”
Main crystal size: 4.1 × 3.2 cm = 1.61” × 1.26”