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Sapphire and Jade Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Adamantine, Vitreous, Adamantine   

Pleochroism
AbsentWalter Schumann   
Strong   

Dispersion
None   
0.02   
21

Transparency
Translucent, Translucent to opaque   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.600-1.688   
1.762-1.788   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.020-0.027   
0.008-0.009   

Clarity
Translucent   
Transparent   

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