Copper

Onganja (Emke) Mine, Helen Farm 235, Onganja mining area, Seeis, Windhoek District, Khomas Region  Namibia

Specimen size: 7 × 3.7 × 2.4 cm = 2.76” × 1.46” × 0.94”
Main crystal size: 1 × 0.5 cm = 0.39” × 0.20”