Carnelian and Jet lignite Optical Properties

Carnelian

Jet lignite

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1 Optical Properties

1.1 Luster

Vitreous

Not Available

1.2 Pleochroism

AbsentWalter Schumann

Not Available

1.3 Dispersion

NoneNA

0.007 1

1.4 Transparency

Translucent, Transparent to nearly opaque

Not Available

1.5 Refractive Index

1.535-1.539Not Available

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Trigonal

Not Available

1.8 Birefringence

0.003-0.009Not Available

0 0.296

1.9 Clarity

Translucent

Not Available

Carnelian and Jet lignite Optic Character

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

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Carnelian and Jet lignite Transparency

Similar to their colors, Carnelian and Jet lignite 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.