Calcite

Daye mining area, Edong, Daye, Huangshi Prefecture, Hubei Province  China (03/2022)

Specimen size: 6.4 × 6.2 × 5.3 cm = 2.52” × 2.44” × 2.09”
Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”