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Kurnakovite
Kurnakovite

Sellaite
Sellaite



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Kurnakovite
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Sellaite

Kurnakovite and Sellaite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

-0.03
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.488-1.5251.378-1.390
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
tetragonal

Birefringence

0.027-0.0340.012
0 0.296
👆🏻

Clarity

-
Transparent

Kurnakovite and Sellaite Optic Character

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

Kurnakovite and Sellaite Transparency

Similar to their colors, Kurnakovite and Sellaite 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, Kurnakovite is while Kurnakovite is in appearance.