Natural Dioptase Crystal — Mindouli District, Republic of Congo

An exceptional cabinet specimen of vibrant emerald-green Dioptase from the world-renowned Mindouli District, Republic of Congo — one of the finest localities for gem-quality copper silicate minerals.

This attractive specimen features a dense covering of sharply formed rhombohedral dioptase crystals displaying outstanding vitreous lustre, rich saturated colour, and excellent internal light reflection.

The well-balanced crystal growth creates impressive depth and strong visual appeal from every viewing angle.

A superb natural mineral specimen for collectors of fine crystallised minerals, African minerals, copper minerals, and museum-quality cabinet displays.

Highly sought after by collectors, Mindouli dioptase is internationally recognised for producing some of the world's finest specimens, admired for their exceptional colour, crystal quality, and rarity.