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Smaragdite
Smaragdite

Zinnwaldite
Zinnwaldite



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Smaragdite
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Zinnwaldite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.01
Transparent
-9999
-
-
-9999
Transparent
 
Pearly, Vitreous
Distinct
0.02
-
1.565-1.625
-
monoclinic
0.040-0.050
-