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Allanite-(Ce)

#PD44371

Allanite-(Ce)

#PD44371
Availability
Sold
Size
14 x 8 x 2.5 cm - Cabinet 
Formula
CaCeFe2+Al2(Si2O7)(SiO4)O(OH) (RRUFF)
Locality
Franklin, Sussex Co., New Jersey, United States
Tagged
REE mineral

Small 3-6mm black tabular crystals in light green Microcline matrix. It is much as Dunn described. This is a large 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.

Collection
Phillips Collection

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