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Gedrite and Pyromorphite Optical Properties


Pyromorphite and Gedrite Optical Properties


Optical Properties

Luster
Vitreous  
Resinous, Subadamantine  

Pleochroism
Weak to moderate  
Weak  

Dispersion
0.02  
99+
0.03  
99+

Transparency
Transparent  
Transparent  

Refractive Index
1.625-1.718  
2.042-2.059  

Optic Character
-  
-  

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

Birefringence
-9999  
0.010  

Clarity
Transparent  
Transparent  

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Gedrite and Pyromorphite Optic Character

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

Similar to their colors, Gedrite and Pyromorphite 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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