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Gedrite and White Opal Optical Properties


White Opal and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
-  

Pleochroism
Weak to moderate  
-  

Dispersion
0.02  
99+
0.01  

Transparency
Transparent  
Translucent  

Refractive Index
1.625-1.718  
1.37-1.52  

Optic Character
-  
-  

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

Birefringence
-9999  
-9999  

Clarity
Transparent  
Translucent  

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Gedrite and White Opal Optic Character

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

Similar to their colors, Gedrite and White Opal 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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