×

Violane
Violane

Poudretteite
Poudretteite



ADD
Compare
X
Violane
X
Poudretteite

Violane and Poudretteite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Colorless

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.668-1.7031.511-1.532
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Hexagonal

Birefringence

0.024-0.0300.021
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Violane and Poudretteite Optic Character

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

Violane and Poudretteite Transparency

Similar to their colors, Violane and Poudretteite 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, Violane is Translucent while Violane is Translucent in appearance.