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Columbite-(Fe) w/ Microlite, Spodumene, & Lepidolite

#DH34760

Columbite-(Fe) w/ Microlite, Spodumene, & Lepidolite

#DH34760
Availability
Sold
Size
4 x 4.5 x 2.5 cm - Miniature 
Formula
Fe2+Nb2O6 (RRUFF)
Locality
Harding mine, Taos Co., New Mexico, United States

Thin red-brown crystals of Columbite-Fe to 9mm long in a divergent spray embedded in white Spodumene matrix with purple Lepidolite mixed with yellow crudely octahedral crystals of Microlite.

Comes with a label from J.A. Dague Minerals that mentions it was a gift from A. Montgomery to Don Schmerling, both well known collectors and mineralogists.

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
Hess Collection

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