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Verdelite
Verdelite

Lepidolite
Lepidolite



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X
Verdelite
X
Lepidolite

Verdelite and Lepidolite Optical Properties

Optical Properties

Luster

-
Vitreous, Pearly

Pleochroism

Strong: dark green yellow
X = almost colorless; Y = Z = pink

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Transparent

Refractive Index

1.614-1.6661.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

0.014-0.0400.0290-0.0380
0 0.296
👆🏻

Clarity

Transparent
Transparent

Verdelite and Lepidolite Optic Character

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

Verdelite and Lepidolite Transparency

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