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Moonstone
Moonstone

Hibonite
Hibonite



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Moonstone
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Hibonite

Moonstone and Hibonite Optical Properties

Optical Properties

Luster

Pearly
Vitreous

Pleochroism

-
O = brownish gray; E = gray

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
-

Refractive Index

1.518-1.5271.79-1.807
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Hexagonal

Birefringence

0.006-0.007-9999
0 0.296
👆🏻

Clarity

Transparent
-

Moonstone and Hibonite Optic Character

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

Moonstone and Hibonite Transparency

Similar to their colors, Moonstone 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, Moonstone is Transparent and Transparent to translucent while Moonstone is Transparent and Transparent to translucent in appearance.