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Kyanite
Kyanite

Pollucite
Pollucite



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Kyanite
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Pollucite

Kyanite and Pollucite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous, Greasy

Pleochroism

Trichroic
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.71-1.741.517-1.525
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Isometric

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Transparent

Kyanite and Pollucite Optic Character

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

Kyanite and Pollucite Transparency

Similar to their colors, Kyanite and Pollucite 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, Kyanite is while Kyanite is in appearance.