×

Tavorite
Tavorite

Sillimanite
Sillimanite



ADD
Compare
X
Tavorite
X
Sillimanite

Tavorite and Sillimanite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Subadamantine, Silky

Pleochroism

Yellow-green colorlessAnthony et al
Colourless to pale brown to yellow

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

11.653-1.685
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Orthorhombic

Birefringence

-99990.020-0.022
0 0.296
👆🏻

Clarity

Transparent
Transparent

Tavorite and Sillimanite Optic Character

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

Tavorite and Sillimanite Transparency

Similar to their colors, Tavorite and Sillimanite 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, Tavorite is Transparent while Tavorite is Transparent in appearance.