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Pyromorphite
Pyromorphite

Antigorite
Antigorite



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Pyromorphite
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Antigorite

Pyromorphite and Antigorite Optical Properties

Optical Properties

Luster

Resinous, Subadamantine
Waxy, Silky, Resinous, Greasy

Pleochroism

Weak
pale greenish yellow

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

2.042-2.0591.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.010-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Pyromorphite and Antigorite Optic Character

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

Pyromorphite and Antigorite Transparency

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