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Falcons Eye
Falcons Eye

Vivianite
Vivianite



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Falcons Eye
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Vivianite

Falcons Eye and Vivianite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.05
-
1.534-1.540
-
-
-9999
-
 
Vitreous, Pearly
Anomalous plechroism is strong with colours deep blue/pale yellowish green/yellowish green.Michael O’Donoghue
0.03
Transparent
1.560-1.640
-
-
0.054-0.075
Transparent

Falcons Eye and Vivianite Optic Character

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

Falcons Eye and Vivianite Transparency

Similar to their colors, Falcons Eye and Vivianite 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 while Falcons Eye is in appearance.