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White Opal and Labradorite Optical Properties


Optical Properties

Luster
Vitreous, Pearly   
Not Available   

Pleochroism
From the Congo   
AbsentWalter Schumann   

Dispersion
0.01   
28
None   

Transparency
Transparent, Translucent, Transparent to translucent   
Translucent   

Refractive Index
1.554-1.573   
1.37-1.52   

Optic Character
Not Available   
Not Available   

Crystal System
Triclinic   
Not Available   

Birefringence
0.008-0.010   
Not Available   

Clarity
Transparent   
Translucent   

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