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Antigorite
Antigorite

Pyromorphite
Pyromorphite



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Antigorite
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Pyromorphite

Antigorite and Pyromorphite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Resinous, Subadamantine

Pleochroism

pale greenish yellow
Weak

Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Translucent
Transparent

Refractive Index

1.530-1.5752.042-2.059
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.010
0 0.296
👆🏻

Clarity

Translucent
Transparent

Antigorite and Pyromorphite Optic Character

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

Similar to their colors, Antigorite and Pyromorphite 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.