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Antigorite
Antigorite

Sulphur
Sulphur



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Antigorite
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Sulphur

Antigorite and Sulphur Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
-

Pleochroism

pale greenish yellow
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
TranslucentWalter Schumann

Refractive Index

1.530-1.5751.958-2.245
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.291
0 0.296
👆🏻

Clarity

Translucent
TranslucentWalter Schumann

Antigorite and Sulphur Optic Character

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

Similar to their colors, Antigorite and Sulphur 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.