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Amazonite
Amazonite
☒

Imperial Topaz
Imperial Topaz
☒



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Amazonite
X
Imperial Topaz
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
-
0.01
Translucent, Translucent to opaque
1.522-1.530
-
Triclinic
0.008-0.010
Translucent
 
-
-
0.01
Transparent
1.609-1.643
-
-
-9999
-