Azurite

First oxidation zone, Tsumeb Mine, Tsumeb, Otjikoto  Namibia (±1920-30)

Specimen size: 3 × 2.5 × 2.5 cm = 1.18” × 0.98” × 0.98”
Main crystal size: 2.3 × 1.6 cm = 0.91” × 0.63”