Citation: Pinto, Daniela; Garavelli, Anna; Bindi, Luca (2015). Fluorite-related one-dimensional units in natural bismuth oxysulfates: the crystal structures of Bi~14~O~16~(SO~4~)~5~ and Bi~30~O~33~(SO~4~)~9~(AsO~4~)~2~. Acta Crystallographica Section B, 71, pp. -.