Chrysocolla

L'Etoile du Congo Mine (Star of the Congo Mine), Lubumbashi (Elizabethville), Katanga Copper Crescent, Haut-Katanga (Shaba)  Congo D.R.

Specimen size: 7.8 × 5.2 × 2.5 cm = 3.07” × 2.05” × 0.98”
Main crystal size: 2.7 × 2.2 cm = 1.06” × 0.87”