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Pyrope and Pollucite Optical Properties


Pollucite and Pyrope Optical Properties


Optical Properties

Luster
Greasy, Vitreous  
Vitreous, Greasy  

Pleochroism
None  
-  

Dispersion
0.02  
99+
0.01  
99+

Transparency
-  
Transparent, Translucent  

Refractive Index
1.720-1.756  
1.517-1.525  

Optic Character
-  
-  

Crystal System
cubic  
Isometric  

Birefringence
-9999  
-9999  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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Pyrope and Pollucite Optic Character

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

Similar to their colors, Pyrope and Pollucite 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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