Dioptase from Congo Natural Crystal Mineral Specimen

Deep emerald-green Dioptase crystals blanket this attractive specimen from the renowned Kimbedi locality in the Republic of the Congo. The specimen displays a dense cluster of well-formed trigonal crystals with a bright vitreous lustre, creating a striking display against the natural matrix. The varying crystal sizes add depth and texture, making it an eye-catching example of this sought-after copper silicate mineral.

Specimen Details

✓ Mineral: Dioptase
✓ Locality: Kimbedi, Mindouli, Brazzaville, Republic of the Congo
✓ Crystal System: Trigonal
✓ Colour: Emerald Green
✓ Lustre: Vitreous
✓ Transparency: Transparent to Translucent
✓ Crystal Habit: Well-formed Prismatic Crystals on Matrix
✓ Specimen Size: Approximately 37 mm × 45 mm × 19 mm
✓ Weight: 29 g

Dioptase is celebrated for its intense emerald-green colour, exceptional brilliance and sharply defined crystals. Formed in the oxidised zones of copper deposits, it remains one of the most desirable secondary copper minerals due to its vivid colour and relatively limited occurrence.

Sourced from the famous Kimbedi deposit, this Dioptase from Congo is an attractive cabinet specimen that showcases the superb crystal quality for which this locality is known.