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Amazonite
Amazonite

Antigorite
Antigorite



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Amazonite
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Antigorite

Amazonite and Antigorite Optical Properties

Optical Properties

Luster

Vitreous
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent, Translucent to opaque
Translucent

Refractive Index

1.522-1.5301.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.008-0.010-9999
0 0.296
👆🏻

Clarity

Translucent
Translucent

Amazonite and Antigorite Optic Character

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

Amazonite and Antigorite Transparency

Similar to their colors, Amazonite 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, Amazonite is Translucent and Translucent to opaque while Amazonite is Translucent and Translucent to opaque in appearance.