Diaphorite

Unknown Owner

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Diaphorite is an very rare silver lead antimony sulphide which is extremely rare in visible crystals. This magnificent specimen is not only display worthy, but is from the Co-Type Locality at Vojtech mine, Príbram and contains a suite of wonderful associated species to give it additional paragenetic context. Reaching 4 mm in length, the extremely well-formed dark grey metallic bladed Diaphorite crystals form a wonderful damage-free spray (8 mm across) in the centre of a finely crystallized Quartz-lined cavity. Upon the Quartz is a finely crystallized coating of steely-grey metallic matted 'hairs' of Boulangerite and a cluster of fudge-coloured Siderite crystals and a small cluster of gun-metal grey tetrahedral Tetrahedrite crystals. The matrix is dominantly fine-grained Galena and Sphalerite. Ex Professor Werner Paar Collection, it also comes with an old American Museum of Natural History card display label and a photocopy of the original museum labels and notes, which show that it was owned by Bement (Clarence Bement, 1843-1923).