Davidite
Davidite is a rare earth oxide mineral with chemical end members Lanthanum and Cerium. It exists in two forms:
- Davidite- discovered at Radium Hill mine, South Australia in 1906 and named by Douglas Mawson for Australian geologist Tannatt William Edgeworth David.
- Davidite- first described in 1960 from Vemork, Iveland, Norway.