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Pyrope and Rutile Optical Properties


Rutile and Pyrope Optical Properties


Optical Properties

Luster
Greasy, Vitreous  
Adamantine  

Pleochroism
None  
Weak to distinct brownish red-green-yellow  

Dispersion
0.02  
99+
0.33  
4

Transparency
-  
Transparent, Translucent  

Refractive Index
1.720-1.756  
2.609-2.903  

Optic Character
-  
-  

Crystal System
cubic  
tetragonal  

Birefringence
-9999  
0.296  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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Pyrope and Rutile Optic Character

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

Similar to their colors, Pyrope and Rutile 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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