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Carnelian
Carnelian

Weloganite
Weloganite



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Carnelian
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Weloganite

Carnelian and Weloganite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Translucent, Transparent to nearly opaque
-

Refractive Index

1.535-1.5391.558
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Triclinic

Birefringence

0.003-0.0090.082
0 0.296
👆🏻

Clarity

Translucent
-

Carnelian and Weloganite Optic Character

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

Carnelian and Weloganite Transparency

Similar to their colors, Carnelian and Weloganite 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, Carnelian is Translucent and Transparent to nearly opaque while Carnelian is Translucent and Transparent to nearly opaque in appearance.