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Pyrope and Taaffeite Optical Properties


Taaffeite and Pyrope Optical Properties


Optical Properties

Luster
Greasy, Vitreous  
Vitreous  

Pleochroism
None  
Weak  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
-  

Refractive Index
1.720-1.756  
1.70-1.73  

Optic Character
-  
-  

Crystal System
cubic  
Hexagonal  

Birefringence
-9999  
0.055  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

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Pyrope and Taaffeite Optic Character

Pyrope and Taaffeite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Pyrope and Taaffeite 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 and Taaffeite 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 and Taaffeite Transparency

Similar to their colors, Pyrope and Taaffeite 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 is while Pyrope is in appearance.

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