mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
Checkout
0 item @ $0.00  
Home | My Cart | Login | Register

Columbite-(Fe) with Albite

#DL64356
SOLD
Columbite-(Fe) from Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States - DL64356
Columbite-(Fe) from Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States - DL64356

Columbite-(Fe) with Albite

#DL64356
Availability
Sold
Size
7 x 5 x 2.5 cm - Sm Cabinet 
Formula
Fe2+Nb2O6 (RRUFF)
Locality
Black Mountain pegmatite, Rumford, Oxford Co., Maine, United States
Tagged
pegmatite mineral , niobium

Thin plate of Columbite across Albite 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
Dr. David London Collection
Mineralpedia
View Columbite-(Fe)
On Dakota Matrix
Previously Sold Columbite-(Fe)
On Dakota Matrix
Other Available Columbite-(Fe)
WebMineral
View Columbite-(Fe)
Mindat
View Columbite-(Fe)

Related Products

Other Sold

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map