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0 item @ $0.00  

Fergusonite-(Y)

#PD40483

Fergusonite-(Y)

#PD40483
Availability
Sold
Size
5 x 3.5 x 3 cm - Miniature 
Formula
YNbO4 (RRUFF)
Locality
Iveland, Aust-Agder, Norway
Tagged
REE mineral

Black, vitreous, probably metamict glassy grains to over 1cm in Feldspar.

Fergusonite-(Y)

Formula
YNbO4 
Crystal System
Tetragonal 
Crystal Habit
Prismatic, Metamict 
Cleavage
Indistinct, None, None 
Luster
Sub Metallic 
Color
black, black, brown, gray, yellow 
Streak
brown 
Class
Tetragonal - Dipyramidal 
Fracture
Sub Conchoidal 
Hardness
5.5-6 

Data courtesy of Webmineral.

Collection
Phillips Collection

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