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Prasiolite
Prasiolite

Hibonite
Hibonite



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Prasiolite
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Hibonite

Prasiolite and Hibonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Very weak: light green pale greenWalter Schumann
O = brownish gray; E = gray

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.544-1.5531.79-1.807
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

Transparent
-

Prasiolite and Hibonite Optic Character

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

Prasiolite and Hibonite Transparency

Similar to their colors, Prasiolite and Hibonite 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, Prasiolite is Transparent and Translucent while Prasiolite is Transparent and Translucent in appearance.