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Nuummite
Nuummite

Verdite
Verdite



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Nuummite
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Verdite
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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
-
1.635-1.663
-
-
0.0170-0.230
-
 
Vitreous, Silky
Extreme
0.03
Translucent
1.580
-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
-9999
Translucent