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Alexandrite
Alexandrite

Jade
Jade



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Alexandrite
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Jade

Alexandrite and Jade Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
Not Available
AbsentWalter Schumann
1.3 Dispersion
NANone
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to nearly opaque
Translucent, Translucent to opaque
1.5 Refractive Index
1.739-1.7701.600-1.688
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
monoclinic
1.8 Birefringence
0.007-0.0100.020-0.027
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Alexandrite and Jade Optic Character

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

Alexandrite and Jade Transparency

Similar to their colors, Alexandrite and Jade 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, Alexandrite is Transparent and Transparent to nearly opaque while Alexandrite is Transparent and Transparent to nearly opaque in appearance.