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Marialite and Agate Optical Properties


Agate and Marialite Optical Properties


Optical Properties

Luster
Vitreous, Pearly, Resinous  
Vitreous  

Pleochroism
-  
Absent  

Dispersion
0.02  
99+
0.01  
99+

Transparency
Transparent, Translucent  
Translucent  

Refractive Index
1.540-1.550  
1.530-1.543  

Optic Character
-  
-  

Crystal System
tetragonal  
Trigonal  

Birefringence
0.004-0.008  
0.004  

Clarity
Transparent  
Translucent  

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Marialite and Agate Optic Character

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

Similar to their colors, Marialite and Agate 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, Marialite is Transparent and Translucent while Marialite is Transparent and Translucent in appearance.

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