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Columbite-(Fe)

#DL63821
SOLD
Columbite-(Fe) from Homestead claim, White Picacho dist., Yavapai Co., Arizona, Uniteds States - DL63821
Columbite-(Fe) from Homestead claim, White Picacho dist., Yavapai Co., Arizona, Uniteds States - DL63821

Columbite-(Fe)

#DL63821
Availability
Sold
Size
10 x 6 x 4.5 cm - Cabinet 
Formula
Fe2+Nb2O6 (RRUFF)
Locality
Homestead claim, White Picacho dist., Yavapai Co., Arizona, Uniteds States
Tagged
pegmatite mineral , niobium

Thin bladed Columbite crystals to 3cm. Illustrated on page 74 Fig. 4-18e.

Illustrated in London's book "Pegmatites"

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
Special Info
Illustrated in London's book "Pegmatites"
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