Copper with Calcite

New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo District, Pima County, Arizona  USA (±1965)

Specimen size: 6 × 5.3 × 3.1 cm = 2.36” × 2.09” × 1.22”
Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”