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Asselbornite: (Pb,Ba)(UO2)6(BiO)4(AsO4)2(OH)12·3(H2O)
Comments: Small orange cubes of asselbornite on yellow uranophane. Location: Weißer Hirsch Mine, Schneeberg, Erzgebirge, Sachsen, Germany. Scale: Picture size 1 mm. © Thomas Witzke / Abraxas-Verlag