Gerhardtite with Chrysocolla - Likasi Mine, Haut-Katanga, DR Congo

Gerhardtite with Chrysocolla

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A very rich specimen of the very rare mineral Gerhardtite, a copper nitrate hydroxide, from the Likasi mine in the Katanga Province of the Democratic Republic of the Congo (DRC). Excellent intergrown cleavages of Gerhardtite measuring to 8 mm form lustrous dark emerald green plates over a 5.5 x 2.9 cm area associated with pastel blue-white Chrysocolla on a dense-crystalline Cuprite matrix. From a find at Likasi in the late twenty-teens (e.g. around 2018).