bastnasite
bastnasite Basic information
- Product Name:
- bastnasite
- Synonyms:
-
- bastnasite
- bastnaesite
- MW:
- 0
- Mol File:
- Mol File
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bastnasite Usage And Synthesis
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.