A solid black, metamict mass of Davidite-(La) with a vitreous to greasy luster, There are several areas with scales of yellow Carnotite. Excellent specimen.
Radioactive!!, Type Locality
Davidite-(La)
Formula
La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Crystal System
Trigonal
Crystal Habit
Massive, Anhedral Grains, Metamict
Cleavage
None, None, None
Luster
Vitreous - Metallic
Color
black, grayish black, brownish black, dark brown, reddish