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Lepidolite
Lepidolite

Kyanite
Kyanite



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X
Lepidolite
X
Kyanite

Lepidolite and Kyanite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Pearly

Pleochroism

X = almost colorless; Y = Z = pink
Trichroic

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.525-1.5871.71-1.74
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Triclinic

Birefringence

0.0290-0.0380-9999
0 0.296
👆🏻

Clarity

Transparent
-

Lepidolite and Kyanite Optic Character

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

Similar to their colors, Lepidolite and Kyanite 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.