Cuprite on Copper

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

Specimen size: 9.8 × 7 × 4.6 cm = 3.86” × 2.76” × 1.81”
Main crystal size: 0.4 × 0.2 cm = 0.16” × 0.08”