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Hibonite
Hibonite

Verdite
Verdite



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Hibonite
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Verdite

Hibonite and Verdite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Silky

Pleochroism

O = brownish gray; E = gray
Extreme

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.79-1.8071.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Translucent

Hibonite and Verdite Optic Character

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

Hibonite and Verdite Transparency

Similar to their colors, Hibonite and Verdite 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, Hibonite is while Hibonite is in appearance.