A mesmerizing and extremely rare combo specimen of silver, plancheite, and dioptase from Mindouli, Congo - Brazzaville. Over the base grows native silver in an airy structure. It has a shiny and light reflective appearance. Around is seen light blue plancheite. Some minor dioptase is present too. It displays attractively on both sides. In excellent condition. On acrylic base.
Astonishing rarity!