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Dallasite
Dallasite

Violane
Violane



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Dallasite
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Violane

Dallasite and Violane Optical Properties

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Optical Properties

Luster

-
-

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.5401.668-1.703
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
-

Birefringence

0.008-0.0100.024-0.030
0 0.296
👆🏻

Clarity

-
Translucent

Dallasite and Violane Optic Character

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

Dallasite and Violane Transparency

Similar to their colors, Dallasite 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, Dallasite is while Dallasite is in appearance.