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Jet
Jet

Omphacite
Omphacite



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Jet
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Omphacite

Jet and Omphacite Optical Properties

Jet
Jet
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Optical Properties

Luster

Waxy
Vitreous

Pleochroism

-
Weak: colorless -- very pale green -- very pale green

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
TranslucentAnthony et al

Refractive Index

1.640-1.6801.662-1.723
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

-9999-9999
0 0.296
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Clarity

-
TranslucentAnthony et al

Jet and Omphacite Optic Character

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

Jet and Omphacite Transparency

Similar to their colors, Jet and Omphacite 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, Jet is while Jet is in appearance.