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Dioptase
Dioptase

Violane
Violane



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Dioptase
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Violane

Dioptase and Violane Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

Weak; dark emerald green
-

Dispersion

0.040.03
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Translucent

Refractive Index

1.644-1.7201.668-1.703
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
-

Birefringence

0.051-0.0530.024-0.030
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Translucent

Dioptase and Violane Optic Character

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

Dioptase and Violane Transparency

Similar to their colors, Dioptase and Violane 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, Dioptase is TranslucentHerve Nicolas Lazzarelli while Dioptase is TranslucentHerve Nicolas Lazzarelli in appearance.