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Baddeleyite and Chrysoberyl Optical Properties


Chrysoberyl and Baddeleyite Optical Properties


Optical Properties

Luster
Adamantine   
Vitreous   

Pleochroism
DistinctArthur Thomas   
X = red; Y = yellow-orange; Z = emerald-green   

Dispersion
Not Available   
0.02   
24

Transparency
Transparent   
Transparent, Translucent, Transparent to translucent   

Refractive Index
2.13-2.20   
1.746-1.763   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c   
Orthorhombic   

Birefringence
0.07   
0.007-0.013   

Clarity
Transparent   
Transparent   

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Baddeleyite and Chrysoberyl Optic Character

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

Similar to their colors, Baddeleyite 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, Baddeleyite is Transparent while Baddeleyite is Transparent in appearance.

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