Zinkenite is a steel-gray metallic sulfosalt mineral composed of lead antimony sulfide Pb<sub>9</sub>Sb<sub>22</sub>S<sub>42</sub>. Zinkenite occurs as acicular needle-like crystals.
It was first described in 1826 for an occurrence in the Harz Mountains, Saxony-Anhalt, Germany and named after its discoverer, German mineralogist and mining geologist, Johann Karl Ludwig Zinken (1790âÂÂ1862).