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Antigorite
Antigorite

Elbaite
Elbaite



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Antigorite
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Elbaite

Antigorite and Elbaite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous

Pleochroism

pale greenish yellow
Pale green

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.530-1.5751.614-1.666
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.014-0.032
0 0.296
👆🏻

Clarity

Translucent
Transparent

Antigorite and Elbaite Optic Character

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

Similar to their colors, Antigorite and Elbaite 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.