Dioptase Crystals on Matrix – Mindouli, Congo

A striking collector specimen featuring a sparkling pocket of vivid emerald-green Dioptase crystals on Matrix nestled within natural matrix. Numerous sharply formed crystals display exceptional vitreous lustre and rich colour, creating an impressive display that captures the beauty of one of the world's most sought-after copper minerals.

Specimen Details

✓ Mineral: Dioptase
✓ Associated Minerals: Matrix
✓ 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
✓ Specimen Size: Approximately 81 mm × 56 mm × 40 mm
✓ Weight: 151 g

The Mindouli district in the Republic of the Congo is internationally renowned for producing some of the finest Dioptase specimens ever discovered. Collectors value material from this classic locality for its intensely saturated colour, exceptional crystal quality and outstanding cabinet display potential, making Congo Dioptase one of the most desirable copper minerals in the world.

This specimen showcases a dense, sparkling cavity lined with lustrous Dioptase crystals ranging from miniature to prominent display crystals. The naturally sculpted matrix frames the crystal pocket beautifully, while the contrast between the earthy host rock and the brilliant green crystals enhances its visual impact. The piece presents exceptionally well from the display face and offers excellent depth and texture.

With its classic Congo provenance, vibrant colour, abundant crystal coverage and attractive cabinet-sized presentation, this is a superb addition for collectors of fine copper minerals, classic African localities and world-class Dioptase specimens.