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Pyrope and Esperite Optical Properties


Esperite and Pyrope Optical Properties


Optical Properties

Luster
Greasy, Vitreous  
Vitreous  

Pleochroism
None  
colorless.  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
OpaqueAnthony et al, Opaque, Transparent  

Refractive Index
1.720-1.756  
1.760-1.774  

Optic Character
-  
-  

Crystal System
cubic  
monoclinic  

Birefringence
-9999  
0.012  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
OpaqueAnthony et al  

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<< Physical Properties

Pyrope and Esperite Optic Character

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

Similar to their colors, Pyrope and Esperite 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

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