Dioptase Crystal on Matrix – Congo

Experience the mesmerizing allure of a vibrant dioptase crystal specimen, boasting a rich green hue that captivates the eye. This exquisite mineral, elegantly poised on its natural matrix, hails from the renowned mineral-rich regions of Congo, specifically known for producing some of the finest dioptase specimens worldwide. Dioptase crystallizes in the trigonal crystal system and is recognized for its striking emerald-green to bluish-green coloration, a result of its copper content in the chemical formula CuSiO₃·H₂O.

The crystals display a vitreous luster and a transparent to translucent appearance, often forming well-defined, sharp-edged crystals that contrast beautifully against the earthy matrix. With a Mohs hardness of 5, dioptase is relatively delicate compared to many other mineral specimens, so careful handling is advised to preserve its intricate crystal faces and lustrous surfaces.

Collectors value this specimen for its vivid color saturation and the quality of crystal formation, making it a noteworthy addition to any mineral collection. Its provenance from Congo, a region celebrated for its remarkable copper mineral specimens, adds to its geological significance and appeal. To maintain its condition, avoid prolonged exposure to direct sunlight and handle with care to prevent chipping or scratching.

Democratic Republic of the Congo — premier source of dioptase, malachite, cobaltoan calcite.