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Aegirine
Aegirine

Antigorite
Antigorite



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Aegirine
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Antigorite

Aegirine and Antigorite Optical Properties

Optical Properties

Luster

Vitreous, Resinous
Waxy, Silky, Resinous, Greasy

Pleochroism

Emerald green
pale greenish yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.720-1.7781.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.037-0.061-9999
0 0.296
👆🏻

Clarity

-
Translucent

Aegirine and Antigorite Optic Character

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

Aegirine and Antigorite Transparency

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