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Pyrope Spessartine and Ruby Optical Properties


Ruby and Pyrope Spessartine Optical Properties


Optical Properties

Luster
-  
Vitreous, Adamantine  

Pleochroism
-  
Strong: purplish-red  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
Transparent, Translucent, Transparent to opaque  

Refractive Index
1.730-1.820  
1.762-1.778  

Optic Character
-  
-  

Crystal System
-  
Trigonal  

Birefringence
0.027  
0.008  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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Pyrope Spessartine and Ruby Optic Character

Pyrope Spessartine and Ruby optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrope Spessartine and Ruby Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Pyrope Spessartine and Ruby optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Pyrope Spessartine and Ruby Transparency

Similar to their colors, Pyrope Spessartine and Ruby transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Pyrope Spessartine is while Pyrope Spessartine is in appearance.

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