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Antigorite
Antigorite

Pleonaste
Pleonaste



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Antigorite
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Pleonaste

Antigorite and Pleonaste Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
-

Pleochroism

pale greenish yellow
-

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.530-1.5751.780
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
-

Antigorite and Pleonaste Optic Character

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

Antigorite and Pleonaste Transparency

Similar to their colors, Antigorite and Pleonaste 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, Antigorite is Translucent while Antigorite is Translucent in appearance.