Dundasite is a rare lead aluminium carbonate mineral. The mineral is named after the type locality , Dundas, Tasmania The mineral was first discovered in the Adelaide Proprietary Mine. Dundasite was first described by William Frederick Petterd in 1893.
Dundasite is an uncommon secondary mineral occurring in the oxidized . It may also be overgrown by yellow cerussite It may be associated with cerussite, plattnerite , pyromorphite , duftite and limonite
Besides its type location on Tasmania, the mineral has also been found in New Zealand , China, France, Ireland, Czech Republic