Tags: Chemical Substance, Mineral.
Cotunnite is the natural mineral form of lead(II) chloride with formula PbCl2.It was first described in 1825 from an occurrence on Mount Vesuvius Naples Province Campania Italy. It was named for Domenico Cotugno (Cotunnius) (1736โ1822) Italian physician and Professor of Anatomy.It was first recognized in volcanic fumarole deposits. It occurs as a secondary alteration product in lead ore deposits.