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Norbergite
Norbergite

Trapiche emerald
Trapiche emerald



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Norbergite
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Trapiche emerald
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Pale yellow very pale yellow colorlessAnthony et al
0.02
Transparent
1.563-1.593
-
-
-9999
Transparent
 
-
-
0.01
-
-9999
-
-
-9999
-