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Chalcopyrite
Chalcopyrite

Antigorite
Antigorite



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Chalcopyrite
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Antigorite

Chalcopyrite and Antigorite Optical Properties

Optical Properties

Luster

-
Waxy, Silky, Resinous, Greasy

Pleochroism

-
pale greenish yellow

Dispersion

0.070.02
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

-99991.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Translucent

Chalcopyrite and Antigorite Optic Character

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

Chalcopyrite and Antigorite Transparency

Similar to their colors, Chalcopyrite 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, Chalcopyrite is while Chalcopyrite is in appearance.