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Vranice, Czech Republic
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Cechite and Hedyphane, Vranice, Czech Republic. Specimen 4.5 x 3 x 2.5 cm, consisting of a mixture of cechite, the brownish-black parts, a manganese, lead and iron hydroxy vanadate, and hedyphane, the white parts, a lead and calcium chloro arsenate. Handwritten label coll. G. Gauthier