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Jet
Jet

Antigorite
Antigorite



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Jet
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Antigorite

Jet and Antigorite Optical Properties

Jet
Jet
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Optical Properties

Luster

Waxy
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.640-1.6801.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Monoclinic Domatic H-M Symbol (m) Space Group: Cm

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Translucent

Jet and Antigorite Optic Character

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

Similar to their colors, Jet and Antigorite 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.