
1) Carbonate mineral
Found on
https://www.crosswordclues.com/clue/dundasite

Dundasite is a rare lead aluminium carbonate mineral. The mineral is named after the type locality, Dundas, Tasmania, Australia. 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 zone of lead ore...
Found on
http://en.wikipedia.org/wiki/Dundasite
No exact match found.