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Falcons Eye
Falcons Eye

Alexandrite
Alexandrite



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Falcons Eye
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Alexandrite

Falcons Eye and Alexandrite Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NoneNA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemstones of the world (2001)
Transparent, Transparent to nearly opaque
1.5 Refractive Index
1.534-1.5401.739-1.770
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Not Available
Orthorhombic
1.8 Birefringence
Not Available0.007-0.010
Achroite
0 0.296
1.9 Clarity
Gemstones of the world (2001)
Transparent

Falcons Eye and Alexandrite Optic Character

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

Falcons Eye and Alexandrite Transparency

Similar to their colors, Falcons Eye and Alexandrite 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, Falcons Eye is Gemstones of the world (2001) while Falcons Eye is Gemstones of the world (2001) in appearance.