Minerals identify

Know how to recognize them

Davidite

Oxide mineral

Davidite is a rare earth mineral with chemical end members La. It exists in two forms: * Davidite-(La) (La,Ce,Ca)(Y,U)(Ti,Fe3+ ) 20O 38 discovered at Radium Hill mine, South Australia for Australian geologist Tannatt William Edgeworth David (1858-1934). * Davidite-(Ce) (Ce,Le)(Y,U)(Ti,Fe3+ ) 20O 38 first described in 1960 from Vemork, Iveland , Norway .

Identification

Color of mineral

Black

Mohs scale ( mineral hardness )

6

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Trigonal

Radioactive

Radioactive