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Gedrite and Garnet Optical Properties


Garnet and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous, Adamantine  

Pleochroism
Weak to moderate  
None  

Dispersion
0.02  
99+
0.02  
99+

Transparency
Transparent  
Transparent, Transparent to translucent  

Refractive Index
1.625-1.718  
1.730-1.895  

Optic Character
-  
-  

Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma  
Trigonal  

Birefringence
-9999  
-9999  

Clarity
Transparent  
Transparent  

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Gedrite and Garnet Optic Character

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

Similar to their colors, Gedrite and Garnet 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, Gedrite is Transparent while Gedrite is Transparent in appearance.

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