×

Carnelian
Carnelian

Hiddenite
Hiddenite



ADD
Compare
X
Carnelian
X
Hiddenite

Carnelian and Hiddenite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent, Transparent to nearly opaque
Transparent

Refractive Index

1.535-1.5391.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.003-0.0090.014-0.016
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Carnelian and Hiddenite Optic Character

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

Carnelian and Hiddenite Transparency

Similar to their colors, Carnelian and Hiddenite 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, Carnelian is Translucent and Transparent to nearly opaque while Carnelian is Translucent and Transparent to nearly opaque in appearance.