Calcite with iron oxides inclusions

Tonglüshan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province  China (2021)

Specimen size: 6.6 × 6.1 × 4.3 cm = 2.60” × 2.40” × 1.69”
Main crystal size: 3.9 × 2.6 cm = 1.54” × 1.02”