Copper after Cuprite with Cuprite

Poteryaevskoe Mine, block 2-1, ↓100 m., Rubtsovsky District, Altai Krai  Russia (20-25/11/2010)

Specimen size: 4.5 × 4.3 × 2.8 cm = 1.77” × 1.69” × 1.10”
Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”