FePb₃Sn₄Sb₂S₁₄

This sample of cylindrite is displayed in the Smithsonian Museum of Natural History. Cylindrite is an sulfide mineral of lead, tin, iron and antimony with the composition FePb₃Sn₄Sb₂S₁₄ . This sample is about 6x11 cm and is from Santa Cruz mine, Poopo, Bolivia.