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Alexandrite
Alexandrite

Wavellite
Wavellite



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Alexandrite
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Wavellite

Alexandrite and Wavellite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous, Resinous, Pearly
1.2 Pleochroism
Not Available
Weak
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Transparent to nearly opaque
Gems
1.5 Refractive Index
1.739-1.7701.518-1.561
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.007-0.0100.025
Achroite
0 0.296
1.9 Clarity
Transparent
Gems

Alexandrite and Wavellite Optic Character

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

Similar to their colors, Alexandrite and Wavellite 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.