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Davidite-(La)

#BW58027
SOLD
Davidite-(La) from Kirumba Complex, Bwito, Rutshuru, North Kivu, DR Congo - BW58027
Davidite-(La) from Kirumba Complex, Bwito, Rutshuru, North Kivu, DR Congo - BW58027

Davidite-(La)

#BW58027
Availability
Sold
Size
5 x 4 x 2.5 cm - Miniature 
Formula
La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38 (RRUFF)
Locality
Kirumba Complex, Bwito, Rutshuru, North Kivu, DR Congo
Tagged
REE mineral , vanadium

A black vitreous mass of Davidite. Davidite may contain some cerium and yttrium, and uranium which destroys its crystal structure. Thus, the Davidite is metamict. Primary uses for lanthanum include specialty glasses and optics, electrodes and hydrogen storage.

Radioactive!!

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 
Streak
brownish black 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
6 

Data courtesy of Webmineral.

Collection
Bill Wilson Collection
Special Info
Radioactive!!
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