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Sylvite
Sylvite

Bastnsite
Bastnsite



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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Visible in colored crystals
0.01
-
1.4903
-
Isometric
-9999
-
 
-
-
0.02
-
1.72-1.82
-
-
-9999
-