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Wernerite
Wernerite

Bustamite
Bustamite



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Wernerite
X
Bustamite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
Transparent
1.531-1.600
-
-
0.004-0.037
Transparent
 
Vitreous
Weak
0.02
Transparent, Translucent
1.662-1.707
-
Triclinic
0.013-0.015
Transparent