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Schumacherite: Bi3[(V,As,P)O4]2O(OH) Pucherite: BiVO4
Comments: Brown crystals of pucherite with yellow schumacherite on matrix. Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm. © Thomas Witzke / Abraxas-Verlag