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Pollucite and Sardonyx Optical Properties


Sardonyx and Pollucite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Not Available   

Pleochroism
Not Available   
Not Available   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent, Translucent   
Translucent   

Refractive Index
1.517-1.525   
1.530-1.543   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Not Available   

Birefringence
Not Available   
0.008-0.010   

Clarity
Transparent   
Translucent   

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<< Physical Properties

Pollucite and Sardonyx Optic Character

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

Similar to their colors, Pollucite and Sardonyx 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, Pollucite is Translucent and Transparent while Pollucite is Translucent and Transparent in appearance.

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