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Linarite and Gedrite Optical Properties


Gedrite and Linarite Optical Properties


Optical Properties

Luster
Sub-Adamantine, Vitreous  
Vitreous  

Pleochroism
X = pale blue; Y = blue; Z = Prussian blue  
Weak to moderate  

Dispersion
0.05  
30
0.02  
99+

Transparency
Transparent  
Transparent  

Refractive Index
1.809-1.859  
1.625-1.718  

Optic Character
-  
-  

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

Birefringence
0.050  
-9999  

Clarity
Transparent  
Transparent  

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Linarite and Gedrite Optic Character

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

Similar to their colors, Linarite 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, Linarite is Transparent while Linarite is Transparent in appearance.

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