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Columbite-(Fe)

#AH62254
SOLD
Columbite-(Fe) from Sodalite quarry, Bancroft, Canada - AH62254
Columbite-(Fe) from Sodalite quarry, Bancroft, Canada - AH62254

Columbite-(Fe)

#AH62254
Availability
Sold
Size
8 x 6 x 3.5 cm - Sm Cabinet 
Formula
Fe2+Nb2O6 (RRUFF)
Locality
Sodalite quarry, Bancroft, Canada
Tagged
ore specimen , pegmatite mineral

Large specimen of malformed black Columbite attached to pegmatite matrix.

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
6 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
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