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Sylvite and Elbaite Optical Properties


Elbaite and Sylvite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Visible in colored crystals   
Pale green   

Dispersion
Not Available   
0.02   
22

Transparency
Not Available   
Transparent   

Refractive Index
1.4903   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
Isometric   
Trigonal   

Birefringence
Not Available   
0.014-0.032   

Clarity
Not Available   
Transparent   

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Sylvite and Elbaite Optic Character

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

Similar to their colors, Sylvite 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, Sylvite is Not Available while Sylvite is Not Available in appearance.

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