×

Tavorite
Tavorite

Covellite
Covellite



ADD
Compare
X
Tavorite
X
Covellite

Tavorite and Covellite Optical Properties

Optical Properties

Luster

Vitreous
Resinous

Pleochroism

Yellow-green colorlessAnthony et al
Marked

Dispersion

0.020.08
0.005 1
👆🏻

Transparency

Transparent
OpaqueAnthony et al

Refractive Index

11.45-2.62
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
OpaqueAnthony et al

Tavorite and Covellite Optic Character

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

Similar to their colors, Tavorite and Covellite 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.