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Pollucite and Beryl Optical Properties


Beryl and Pollucite Optical Properties


Optical Properties

Luster
Vitreous, Greasy   
Vitreous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous, Vitreous, Resinous   

Pleochroism
Not Available   
Weak to distinct   

Dispersion
0.01   
26
0.01   
26

Transparency
Transparent, Translucent   
Transparent, Transparent to opaque   

Refractive Index
1.517-1.525   
1.560-1.604   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Hexagonal   

Birefringence
Not Available   
0.0040-0.0070   

Clarity
Transparent   
Transparent   

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Pollucite and Beryl Optic Character

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

Similar to their colors, Pollucite and Beryl 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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