Dioptase mineral specimen from Tantara Mine, Haut-Katanga, Congo - 5.0 x 5.2 x 0.7 cm

5.0 x 5.2 x 0.7 cm

0.28lb

Dioptase from the Tantara Mine in Haut-Katanga, Democratic Republic of the Congo, is a striking copper-bearing mineral highly regarded by mineral collectors for its vivid green to emerald-green crystals. Dioptase is a copper silicate mineral that forms in the oxidized zones of copper deposits, where the right geological conditions allow its distinctive crystals to develop. The copper-rich mineral deposits of the Katanga region have produced notable dioptase specimens sought by collectors worldwide. Specimens from this locality can vary naturally in crystal size, formation, coverage, matrix, and associated minerals, giving each piece its own character while preserving the distinctive qualities associated with Congolese dioptase. With its saturated green color, recognizable crystal habit, and important mineral locality, Dioptase from Tantara Mine makes an excellent addition to collections focused on rare minerals, copper minerals, African mineral specimens, and fine display pieces.