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Violane
Violane

Hurlbutite
Hurlbutite



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Violane
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Hurlbutite

Violane and Hurlbutite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
-

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.668-1.7031.595-1.604
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

Birefringence

0.024-0.0300.009
0 0.296
👆🏻

Clarity

Translucent
Transparent

Violane and Hurlbutite Optic Character

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

Similar to their colors, Violane and Hurlbutite 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.