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Jade and Taaffeite Optical Properties


Taaffeite and Jade Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
AbsentWalter Schumann   
Weak   

Dispersion
None   
0.02   
18

Transparency
Translucent, Translucent to opaque   
Gemmological Tables (2004) More from other references   

Refractive Index
1.600-1.688   
1.70-1.73   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Hexagonal   

Birefringence
0.020-0.027   
0.055   

Clarity
Translucent   
Color grading system   

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Jade and Taaffeite Optic Character

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

Similar to their colors, Jade and Taaffeite 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, Jade is Translucent and Translucent to opaque while Jade is Translucent and Translucent to opaque in appearance.

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Semi Precious


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