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Chrome Pyrope and Chrysoberyl Optical Properties


Chrysoberyl and Chrome Pyrope Optical Properties


Optical Properties

Luster
-  
Vitreous  

Pleochroism
-  
X = red; Y = yellow-orange; Z = emerald-green  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
Transparent, Translucent, Transparent to translucent  

Refractive Index
1.720-1.740  
1.746-1.763  

Optic Character
-  
Biaxial/+  

Crystal System
-  
Orthorhombic  

Birefringence
-9999  
0.007-0.013  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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Chrome Pyrope and Chrysoberyl Optic Character

Chrome Pyrope and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrome Pyrope and Chrysoberyl 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 Chrome Pyrope and Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

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Chrome Pyrope and Chrysoberyl Transparency

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

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