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Lepidolite
Lepidolite

Nepouite
Nepouite



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X
Lepidolite
X
Nepouite

Lepidolite and Nepouite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Waxy, Pearly

Pleochroism

X = almost colorless; Y = Z = pink
Weak

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.525-1.5871.600-1.630
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Orthorhombic

Birefringence

0.0290-0.0380-9999
0 0.296
👆🏻

Clarity

Transparent
-

Lepidolite and Nepouite Optic Character

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

Lepidolite and Nepouite Transparency

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