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Antigorite
Antigorite

Hibschite
Hibschite



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Antigorite
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Hibschite

Antigorite and Hibschite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous

Pleochroism

pale greenish yellow
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Semitransparent

Refractive Index

1.530-1.575-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Domatic H-M Symbol (m) Space Group: Cm
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I a3d

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Translucent
TranslucentAnthony et al

Antigorite and Hibschite Optic Character

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

Similar to their colors, Antigorite and Hibschite 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.