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Carnelian and Purpurite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
StrongArthur Thomas   
AbsentWalter Schumann   

Dispersion
Not Available   
None   

Transparency
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references   
Translucent, Transparent to nearly opaque   

Refractive Index
1.85-1.92   
1.535-1.539   

Optic Character
Not Available   
Not Available   

Crystal System
Orthorhombic   
Trigonal   

Birefringence
0.070   
0.003-0.009   

Clarity
TranslucentWalter Schumann   
Translucent   

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