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Gedrite and Taaffeite Optical Properties


Taaffeite and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
Vitreous  

Pleochroism
Weak to moderate  
Weak  

Dispersion
0.02  
99+
0.02  
99+

Transparency
Transparent  
-  

Refractive Index
1.625-1.718  
1.70-1.73  

Optic Character
-  
-  

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

Birefringence
-9999  
0.055  

Clarity
Transparent  
-  

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Gedrite and Taaffeite Optic Character

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

Similar to their colors, Gedrite and Taaffeite 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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