Unique Dioptase crystal on Matrix
Dioptase is an intense emerald-green to a bluish-green-toned mineral. It is transparent to translucent. It is popular with mineral collectors and is sometimes cut into small gems, the size of the stone ranges in size throughout each stone and the value is determined by the quality, size, and amount of Dioptase on its matrix.
Dioptase of the greatest caliber comes from Russia and the United States. Major deposits also exist around the world, but large specimens are found in Africa throughout the region of the Republic of Congo, where this piece originated.