Boulangerite, Siderite

Unknown Owner

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Boulangerite is extremely rare from the famous mines at Pribram. This very rich, old-time, sculptural, cabinet specimen is richly covered with nests of metallic, iridescent, hair-like needles of boulangerite to about 1.4 cm. The clusters of lustrous, tiny, brown, siderite crystals are a very nice accent. The matrix is layered sulfides and quartz. Ex. Bohemia Royal Museum and Joseph Vajdak Collections with labels. Vajdak is a noted Pribram collector and both labels indicate that the piece was collected in 1860 from the Vojtech Mine. This ancient mine was opened as the Adalbert Mine in 1779, according to an accompanying list.