×

Kyanite
Kyanite

Catapleiite
Catapleiite



ADD
Compare
X
Kyanite
X
Catapleiite

Kyanite and Catapleiite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

Trichroic
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
TransparentUlrich Henn and Claudio C. Milisenda

Refractive Index

1.71-1.741.590-1.629
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: B2/b (pseudo-HEX)

Birefringence

-99990.039
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Kyanite and Catapleiite Optic Character

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

Similar to their colors, Kyanite and Catapleiite 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.