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Verdite
Verdite

Piemontite
Piemontite



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Verdite
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Piemontite

Verdite and Piemontite Optical Properties

Optical Properties

Luster

Vitreous, Silky
Vitreous

Pleochroism

Extreme
visible

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.5801.725-1.756
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

-99990.025-0.076
0 0.296
👆🏻

Clarity

Translucent
-

Verdite and Piemontite Optic Character

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

Similar to their colors, Verdite and Piemontite 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.