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0 item @ $0.00  

Columbite-(Fe)

#RW49986

Columbite-(Fe)

#RW49986
Availability
Sold
Size
6 x 6 x 3 cm - Sm Cabinet 
Formula
Fe2+Nb2O6 (RRUFF)
Locality
Sao Jose da Safira, Doce valley, Minas Gerais, Brazil

A large iridescent crude crystal showing several faces.

Columbite-(Fe)

Formula
Fe2+Nb2O6 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Granular, Striated 
Cleavage
Distinct, None, None 
Luster
Sub Metallic 
Color
black, brownish black 
Streak
blackish brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Robert J. Waidler Collection

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