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Pyrope and Jet Optical Properties


Jet
Jet and Pyrope Optical Properties


Optical Properties

Luster
Greasy, Vitreous  
Waxy  

Pleochroism
None  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
-  

Refractive Index
1.720-1.756  
1.640-1.680  

Optic Character
-  
-  

Crystal System
cubic  
-  

Birefringence
-9999  
-9999  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
-  

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Pyrope and Jet Optic Character

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

Similar to their colors, Pyrope and Jet 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.

Red Gemstones

Red Gemstones


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