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Antigorite
Antigorite

Tremolite
Tremolite



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Antigorite
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Tremolite

Antigorite and Tremolite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous, Silky

Pleochroism

pale greenish yellow
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.530-1.5751.599-1.637
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.023-0.028
0 0.296
👆🏻

Clarity

Translucent
Transparent

Antigorite and Tremolite Optic Character

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

Similar to their colors, Antigorite and Tremolite 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.