×

Amethyst
Amethyst

Viridine
Viridine



ADD
Compare
X
Amethyst
X
Viridine

Amethyst and Viridine Optical Properties

Add ⊕

Optical Properties

Luster

Vitreous
-

Pleochroism

None
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent, Transparent to translucent
Transparent, Translucent

Refractive Index

1.544-1.5531.629-1.660
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.0090.007-0.013
0 0.296
👆🏻

Clarity

Transparent
Transparent

Amethyst and Viridine Optic Character

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

Amethyst and Viridine Transparency

Similar to their colors, Amethyst and Viridine 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, Amethyst is Transparent and Transparent to translucent while Amethyst is Transparent and Transparent to translucent in appearance.