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Hibonite
Hibonite

Emerald
Emerald



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Hibonite
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Emerald

Hibonite and Emerald Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

O = brownish gray; E = gray
Strong dichroism: yellow green Lazzarelli

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent, Transparent to translucent

Refractive Index

1.79-1.8071.565-1.602
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
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Clarity

-
-

Hibonite and Emerald Optic Character

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

Similar to their colors, Hibonite and Emerald 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.