Dioptase Crystal Cluster, Democratic Republic of Congo
This raw mineral specimen features vibrant, emerald-green Dioptase crystals richly scattered across a contrasting brown matrix. The sharp, transparent crystals display excellent luster and clarity, making it a standout collectible. Sourced from the Republic of Congo, this Dioptase specimen is highly sought after for its intense color saturation and perfect geometric formations, with the matrix providing a natural and sturdy display base.
Specimen details
| Mineral | Dioptase |
|---|---|
| Locality | Republic of Congo, DR Congo |
| Crystal system | Hexagonal |
| Dimensions | 4.8 cm × 3.3 cm × 4.8 cm |
| Weight | 45 g |
| Color | Green |
| Size | Miniature (up to 2 inches / up to 5 cm) |
| Species | Dioptase |
| Condition | No damage on display faces |
Tags
About this specimen
This exceptional Dioptase Crystal Cluster is a stunning natural specimen sourced from Congo. The cluster features multiple well-formed crystals displaying excellent natural formation that makes it a standout addition to any mineral collection.
Dioptase (CuSiO₃·H₂O) crystallizes in the trigonal crystal system with a Mohs hardness of 5. This mineral is known for intense emerald-green color, vitreous luster, and well-formed prismatic crystals. Specimens from Congo are particularly valued among collectors for their quality and character.
This specimen weighs 1.59 oz (45.1 g) and measures approximately 1.9 × 1.3 × 1.9 inches. Each specimen is carefully hand-selected to ensure excellent crystal development, natural aesthetics, and display-worthy presentation. Photographs represent the actual specimen you will receive.
Whether you are a seasoned mineral collector, a geology enthusiast, or searching for a distinctive natural display piece, this Dioptase specimen offers exceptional quality and visual appeal. It makes an impressive addition to a specimen cabinet, educational display, or curated mineral collection — Dioptase is one of the most vivid green minerals known, highly prized by collectors for its color intensity and crystal form.




