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Antigorite
Antigorite

Vesuvianite Idocrase
Vesuvianite Idocrase



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Antigorite
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Vesuvianite Idocrase

Antigorite and Vesuvianite Idocrase Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
-

Pleochroism

pale greenish yellow
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.530-1.5751.700-1.725
1 3.25
👆🏻

Optic Character

-
Uniaxial/-

Crystal System

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

Birefringence

-99990.002-0.012
0 0.296
👆🏻

Clarity

Translucent
Transparent

Antigorite and Vesuvianite Idocrase Optic Character

Antigorite and Vesuvianite Idocrase optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Antigorite and Vesuvianite Idocrase 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 Vesuvianite Idocrase 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. Vesuvianite Idocrase has Uniaxial/- character.

Antigorite and Vesuvianite Idocrase Transparency

Similar to their colors, Antigorite and Vesuvianite Idocrase 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.