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Augelite and Gedrite Optical Properties


Gedrite and Augelite Optical Properties


Optical Properties

Luster
Pearly  
Vitreous  

Pleochroism
-  
Weak to moderate  

Dispersion
0.02  
99+
0.02  
99+

Transparency
-  
Transparent  

Refractive Index
1.570-1.591  
1.625-1.718  

Optic Character
-  
-  

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

Birefringence
0.020-0.021  
-9999  

Clarity
TransparentUlrich Henn and Claudio C. Milisenda  
Transparent  

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Augelite and Gedrite Optic Character

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

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

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