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Verdite
Verdite

Annabergite
Annabergite



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Verdite
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Annabergite

Verdite and Annabergite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Subadamantine, Pearly

Pleochroism

Extreme
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.5801.622
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
monoclinic

Birefringence

-99990.065
0 0.296
👆🏻

Clarity

Translucent
-

Verdite and Annabergite Optic Character

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

Verdite and Annabergite Transparency

Similar to their colors, Verdite and Annabergite 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, Verdite is Translucent while Verdite is Translucent in appearance.