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Joseite: Bi4(S,Te)3
Comments: Milky quartz matrix with a 15 mm long group of metallic joseite crystals. Location: Caldbeck Fells, Cumbria, England, UK. Scale: 5x3.5x2.5 cm. © John Betts - Fine Minerals
Joseite-B: Bi4(S,Te)3
Comments: Steel gray, metallic, platy Joseite-β in quartz matrix. Location: Jakub Mine, Kasejovice, Bohemia, Czech Republic. Scale: Picture Size 5x2 cm. © Diederik Visser