Calcite

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

Specimen size: 6.7 × 4.8 × 6.4 cm = 2.64” × 1.89” × 2.52”
Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”