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Eudialyte and Narsarsukite Optical Properties


Narsarsukite and Eudialyte Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous, Pearly   

Pleochroism
Weak: O= colorless   
Weak; O = colorless to yellow; E = colorless to honey-yellow   

Dispersion
Not Available   
Not Available   

Transparency
Translucent   
Transparent, Translucent   

Refractive Index
1.591-1.633   
1.610-1.647   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
tetragonal   

Birefringence
0.003-0.010   
0.021   

Clarity
Translucent   
Transparent   

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Eudialyte and Narsarsukite Optic Character

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

Similar to their colors, Eudialyte and Narsarsukite 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, Eudialyte is Translucent while Eudialyte is Translucent in appearance.

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Brown Gemstones


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