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bastnasite

CAS No.
Chemical Name:
bastnasite
Synonyms
bastnasite;bastnaesite
CBNumber:
CB6945732
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

bastnasite Chemical Properties,Uses,Production

Physical properties

Habit: prismatic, granular.
Color: yellow or reddish brown.
Luster: vitreous, greasy.
Cleavage: (1011) imperfect, (0001) poor.
Fracture: uneven.
Streak: white.

Definition

An ore from which all nine of the lanthanide minerals (rare earths) are obtained. The only large deposit in the U.S. is in southwest California.

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