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Ekanite and Chrysoberyl Optical Properties


Chrysoberyl and Ekanite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Not Available   
X = red; Y = yellow-orange; Z = emerald-green   

Dispersion
Not Available   
0.02   
24

Transparency
Transparent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
1.593-1.596   
1.746-1.763   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Tetragonal Trapezohedral H-M Symbol (4 2 2) Space Group: I 422   
Orthorhombic   

Birefringence
0.001   
0.007-0.013   

Clarity
Transparent   
Transparent   

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Ekanite and Chrysoberyl Optic Character

Ekanite and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Ekanite and Chrysoberyl 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 Ekanite and Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

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Ekanite and Chrysoberyl Transparency

Similar to their colors, Ekanite and Chrysoberyl 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, Ekanite is Transparent while Ekanite is Transparent in appearance.

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