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Bastnasite-(Ce)

#PD34286

Bastnasite-(Ce)

#PD34286
Availability
Sold
Size
5 x 3 x 3 cm - Miniature 
Formula
CeCO3F (RRUFF)
Locality
Mountain Pass mine, San Bernardino Co., California, United States
Tagged
carbonate , REE mineral

Sample of Bastnasite ore from Mountain pass with salmon-pink crystalline Bastnasite-Ce mixed with associated carbonates and alteration products.

The Mountain Pass mine is REE carbonatite complex located at the summit of Mountain Pass that currently being operated by Molycorp, who just announced they are placing their Mountain Pass facility under 'care and maintenance'.

Bastnasite-(Ce)

Formula
CeCO3
Crystal System
Hexagonal 
Crystal Habit
Prismatic, Massive - Granular 
Cleavage
Imperfect, Indistinct, None 
Luster
Vitreous - Greasy 
Color
yellow, reddish brown 
Streak
white 
Class
Hexagonal - Ditrigonal Dipyramidal 
Fracture
Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection

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