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Prase and Elbaite Optical Properties


Elbaite and Prase Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Pale green   

Dispersion
Not Available   
0.02   
22

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.544-1.553   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.009   
0.014-0.032   

Clarity
Transparent   
Transparent   

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Prase and Elbaite Optic Character

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

Similar to their colors, Prase and Elbaite 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, Prase is Translucent and Transparent while Prase is Translucent and Transparent in appearance.

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