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Erythrite
Erythrite

Verdite
Verdite



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Erythrite
X
Verdite

Erythrite and Verdite Optical Properties

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Optical Properties

Luster

Subadamantine, Pearly
Vitreous, Silky

Pleochroism

Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
Extreme

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.626-1.6291.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

-
Translucent

Erythrite and Verdite Optic Character

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

Erythrite and Verdite Transparency

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