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Ammolite
Ammolite

Antigorite
Antigorite



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Ammolite
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Antigorite

Ammolite and Antigorite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Waxy, Silky, Resinous, Greasy

Pleochroism

None
pale greenish yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.520-1.6701.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.135-0.145-9999
0 0.296
👆🏻

Clarity

-
Translucent

Ammolite and Antigorite Optic Character

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

Ammolite and Antigorite Transparency

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