Miniature, 3.2 x 2.0 x 1.9 cm
Brazzaville (Reneville; Djoue), Brazzaville Department (Reneville Department), Republic of Congo (Brazzaville)

A HUGE, highly lustrous, dark emerald-green dioptase crystal from Reneville, Republic Of The Congo. This exceptional dioptase is pristine and is partially gemmy. Dioptase of this quality came out in the 1950s and 60s. The back is contacted, but is out of sight. Ex. George Elling Collection.