×

Garnet
Garnet

Hercynite
Hercynite



ADD
Compare
X
Garnet
X
Hercynite

Garnet and Hercynite Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous, Adamantine
Vitreous

Pleochroism

None
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Translucent

Refractive Index

1.730-1.8951.80-1.83
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Garnet and Hercynite Optic Character

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

Garnet and Hercynite Transparency

Similar to their colors, Garnet and Hercynite 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, Garnet is Transparent and Transparent to translucent while Garnet is Transparent and Transparent to translucent in appearance.