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0 item @ $0.00  

Gadolinite-(Y)

#PD53751

Gadolinite-(Y)

#PD53751
Availability
Sold
Size
5 x 3.5 x 3 cm - Miniature 
Formula
Be2Fe2+Y2Si2O10 (RRUFF)
Locality
Ytterby, Resaro, Vaxholm, Stockholm, Sweden
Tagged
beryllium , REE mineral

Black mass of Gadolinite with feldspar. Old Ward's label, see prov tab.

Gadolinite-(Y)

Formula
Be2Fe2+Y2Si2O10 
Crystal System
Monoclinic 
Crystal Habit
Massive, Crystalline - Poor, Prismatic 
Cleavage
None, None, None 
Luster
Vitreous - Greasy 
Color
brown, green, green black, light green, black 
Streak
greenish gray 
Class
Monoclinic - Prismatic 
Fracture
Splintery 
Hardness
6.5-7 

Data courtesy of Webmineral.

Collection
Don Phillips Collection

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