×

Bort
Bort

Kyanite
Kyanite



ADD
Compare
X
Bort
X
Kyanite

Bort and Kyanite Optical Properties

Add ⊕

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

-
Trichroic

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.71-1.74
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
-

Bort and Kyanite Optic Character

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

Bort and Kyanite Transparency

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