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Stolzite
Stolzite

Narsarsukite
Narsarsukite



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Stolzite
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Narsarsukite
Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Resinous, Subadamantine
-
0.03
-
2.180-2.190
-
tetragonal
0.090
-
 
Vitreous, Pearly
Weak; O = colorless to yellow; E = colorless to honey-yellow
0.02
Transparent, Translucent
1.610-1.647
-
tetragonal
0.021
Transparent