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Jadeite and Kornerupine Optical Properties


Kornerupine and Jadeite Optical Properties


Optical Properties

Luster
Pearly   
Vitreous   

Pleochroism
NilArthur Thomas   
X = colorless to green; Y = colorless   

Dispersion
Not Available   
0.02   
21

Transparency
Translucent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.652-1.688   
1.660-1.685   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Orthorhombic   

Birefringence
0.013-0.020   
0.012-0.017   

Clarity
Translucent   
TransparentUlrich Henn and Claudio C. Milisenda   

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Jadeite and Kornerupine Optic Character

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

Similar to their colors, Jadeite and Kornerupine 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, Jadeite is Translucent while Jadeite is Translucent in appearance.

Red Gemstones

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