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Sphalerite
Sphalerite

Verdite
Verdite



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Sphalerite
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Verdite

Sphalerite and Verdite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Silky

Pleochroism

-
Extreme

Dispersion

0.160.03
0.005 1
👆🏻

Transparency

Transparent, Translucent
Translucent

Refractive Index

2.368-2.3711.580
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-9999-9999
0 0.296
👆🏻

Clarity

Transparent
Translucent

Sphalerite and Verdite Optic Character

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

Sphalerite and Verdite Transparency

Similar to their colors, Sphalerite 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, Sphalerite is Transparent and Translucent while Sphalerite is Transparent and Translucent in appearance.