Rare Dioptase XX Specimen from the Republic of Congo – This exceptional mineral specimen is distinguished by its intensely dark green to turquoise, angular dioptase crystals on a compact specimen. This copper silicate mineral [1] is highly sought after by collectors and is characterized by its distinctive vitreous luster and deep, emerald-green color [1] . With a Mohs hardness of 5 [2] and a density of 3.28–3.35 g/cm³ [1] , this dioptase differs significantly from emerald and represents a rare piece for discerning mineral collectors.
Location: Republic of Congo (Likasi/Katanga region) [5]
Offer No.: 11462
Important: Dioptase is a water-containing mineral and sensitive to heat, direct sunlight, and ultrasonic cleaning. [7] Mineral stand not included. Combined shipping is possible.
