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Antigorite
Antigorite

Hemimorphite
Hemimorphite



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Antigorite
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Hemimorphite

Antigorite and Hemimorphite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous, Adamantine, Silky

Pleochroism

pale greenish yellow
-

Dispersion

0.020.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent

Refractive Index

1.530-1.5751.614-1.636
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.022
0 0.296
👆🏻

Clarity

Translucent
Transparent

Antigorite and Hemimorphite Optic Character

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

Similar to their colors, Antigorite and Hemimorphite 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.