SKU: K-0076_4-CD
A unique specimen of dioptase, characterized by the presence of sharp, rhombohedral crystals of deep, saturated 'emerald' green, which form aesthetic clusters on a light matrix. The crystals exhibit high vitreous luster and excellent edge definition. Main Features: intense emerald color; rhombohedral crystal habit; high luster; contrasting light matrix; ex coll. K.Urbanik. Condition: Very good. The main clusters of crystals are intact, with sharp terminations and clean faces.
Price: 103 EUR (449 PLN)
Availability: In stock
Location: N'tola Mine, Mindouli, Congo
Size: 53 x 37 x 16 mm
Weight: 27 g
Chemical formula: CuSiO₃·H₂O
Crystal system: trigonal
Mohs hardness: 5
Mineral group: Dioptase Group
Rarity: Rare