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Agrellite
Agrellite

Antigorite
Antigorite



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Agrellite
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Antigorite

Agrellite and Antigorite Optical Properties

Optical Properties

Luster

Pearly
Waxy, Silky, Resinous, Greasy

Pleochroism

colorless.
pale greenish yellow

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.5671.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.014-9999
0 0.296
👆🏻

Clarity

-
Translucent

Agrellite and Antigorite Optic Character

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

Agrellite and Antigorite Transparency

Similar to their colors, Agrellite and Antigorite 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, Agrellite is while Agrellite is in appearance.