Malachite on Chrysocolla

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

Specimen size: 15.3 × 6.4 × 6 cm = 6.02” × 2.52” × 2.36”