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Sunstone
Sunstone

Hexagonite
Hexagonite



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Sunstone
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Hexagonite

Sunstone and Hexagonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Weak or absentWalter Schumann
bluish–red

Dispersion

0.01-
0.005 1
👆🏻

Transparency

Transparent, Translucent, Transparent to translucent
Transparent

Refractive Index

1.53-1.551.599-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
-

Birefringence

0.007-0.0100.019-0.028
0 0.296
👆🏻

Clarity

Transparent to translucent
Transparent

Sunstone and Hexagonite Optic Character

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

Sunstone and Hexagonite Transparency

Similar to their colors, Sunstone and Hexagonite 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, Sunstone is Transparent, Translucent and Transparent to translucent while Sunstone is Transparent, Translucent and Transparent to translucent in appearance.