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Adamite
Adamite

Antigorite
Antigorite



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Adamite
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Antigorite

Adamite and Antigorite Optical Properties

Optical Properties

Luster

Vitreous
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

0.060.02
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.708-1.7221.530-1.575
1 3.25
👆🏻

Optic Character

Biaxial/+
-

Crystal System

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

Birefringence

0.031-0.050-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Adamite and Antigorite Optic Character

Adamite and Antigorite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Adamite 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 Adamite 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. Adamite has Biaxial/+ character.

Adamite and Antigorite Transparency

Similar to their colors, Adamite 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, Adamite is Transparent while Adamite is Transparent in appearance.