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0 item @ $0.00  

Allanite-(Ce)

#59597

Allanite-(Ce)

#59597
Availability
Sold
Size
2.5 x 2.5 x 0.3 cm - Thumbnail 
Formula
CaCeFe2+Al2(Si2O7)(SiO4)O(OH) (RRUFF)
Locality
Olden Township, Frontenac Co., Ontario, Canada
Tagged
REE mineral

A near complete tabular Allanite crystal with beveled terminations on all sides. There is just one detachment(?) point in one corner. Excellent specimen.

Allanite-(Ce)

Formula
CaCeFe2+Al2(Si2O7)(SiO4)O(OH) 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Disseminated 
Cleavage
Imperfect, Imperfect, None 
Luster
Vitreous - Greasy 
Color
brown, reddish brown, black 
Streak
grayish brown 
Class
Monoclinic - Prismatic 
Fracture
Conchoidal 
Hardness
5.5 

Data courtesy of Webmineral.

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