Dioptase Crystal Cluster on Matrix — Shaba, Zaire
About This Specimen
This dioptase specimen from Shaba, Zaire features a dense arrangement of deep green crystals across a contrasting tan matrix. Broad reflective faces give the crystal-rich front a strong vitreous sparkle, while the exposed matrix on the reverse reveals the specimen's natural structure.
Specimen Details
- Mineral / Specimen Type: Dioptase crystal cluster on matrix
- Locality: Shaba, Zaire
- Form & Structure: Intergrown, partly terminated crystals covering one side of a natural matrix
- Color: Deep emerald to blue-green, with darker interiors and brighter green along thinner edges; tan to cream matrix
- Rarity: Uncommon — dioptase is a sought-after collector mineral, although specimens from Central African deposits are established in the mineral market
- Mohs Hardness: 5
- Luster: Vitreous
- Chemical Formula: Cu6Si6O18·6H2O
- Specimen Size: Miniature
- Dimensions: 3.3 × 2.3 × 4.2 cm
- Specimen Weight: 17.5 g (mineral only)
- Total / Display Weight: 92.5 g
About Dioptase
Dioptase is a hydrated copper silicate recognized for its saturated green color and glassy trigonal crystals. It has a Mohs hardness of 5 and the formula Cu6Si6O18·6H2O; despite its jewel-like appearance, its cleavage and relative brittleness make it better suited to careful display than frequent handling.
Traditional & Metaphysical Associations
In modern crystal traditions, dioptase is associated with compassion, emotional renewal, forgiveness, and heart-centered intention-setting. Some collectors use it as a symbolic focus during meditation or keep it as a vivid green display piece. Metaphysical properties are based on traditional beliefs and are provided for cultural and informational purposes; they are not scientifically established or intended as medical advice.
Why This Specimen?
The specimen presents especially well from its crystal-rich face, where overlapping dark green crystals create depth and bright reflective highlights. Its tan natural matrix provides pronounced contrast and gives the piece a distinctly geological character from every viewing angle.
Exact specimen pictured. You will receive the exact specimen shown in the photographs.