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Zultanite
Zultanite

Antigorite
Antigorite



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Zultanite
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Antigorite

Zultanite and Antigorite Optical Properties

Optical Properties

Luster

-
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

-0.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.68-1.751.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Translucent

Zultanite and Antigorite Optic Character

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

Zultanite and Antigorite Transparency

Similar to their colors, Zultanite 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, Zultanite is while Zultanite is in appearance.