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Verdite
Verdite

Thomsonite
Thomsonite



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Verdite
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Thomsonite

Verdite and Thomsonite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous, Pearly

Pleochroism

Extreme
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

Translucent
Translucent

Refractive Index

1.5801.510-1.550
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.015-0.020
0 0.296
👆🏻

Clarity

Translucent
Translucent

Verdite and Thomsonite Optic Character

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

Similar to their colors, Verdite and Thomsonite 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.