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0 item @ $0.00  

Allanite-(La)

#BAC62388

Allanite-(La)

#BAC62388
Availability
Sold
Size
2.5 x 2.4 x 1.4 cm - Thumbnail 
Formula
CaLaFe2+Al2(Si2O7)(SiO4)O(OH) (RRUFF)
Locality
Jarnot prospect, Middlebury, Connecticut, United States
Tagged
REE mineral

Glassy red, vitreous metamict mass.

Allanite-(La)

Formula
CaLaFe2+Al2(Si2O7)(SiO4)O(OH) 
Crystal System
Monoclinic 
Crystal Habit
Prismatic 
Cleavage
Imperfect, None 
Luster
Vitreous (Glassy) 
Color
brown, black 
Streak
grayish brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
William & Anne Cook Collection

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