Quartz over Dioptase – Sanda Hills, Mindouli District, DR Congo
 Extra large display case in the very best quality!!!
 Water-clear, short-prismatic quartz crystals cover intensely colored green dioptase. Usually, only small specimens of this highly sought-after combination of quartz and dioptase are found and offered for sale. This particularly intact, high-quality, and intensely colored cabinet specimen easily falls into the museum-quality category!