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Nuummite
Nuummite
☒

Zinnwaldite
Zinnwaldite
☒



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Nuummite
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Zinnwaldite
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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
-
 
Pearly, Vitreous
Distinct
0.02
-
1.565-1.625
-
monoclinic
0.040-0.050
-

Compare Green Gemstones

Green Gemstones

Sapphirine
Sapphirine
Seraphinite
Seraphinite
Smaragdite
Smaragdite
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Pargasite
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Zinnwaldite
Pumpellyite
Zinnwaldite Vs Pumpellyite
Zinnwaldite
Pyromorphite
Zinnwaldite Vs Pyromorphite

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