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Lepidolite
Lepidolite

Zincite
Zincite



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X
Lepidolite
X
Zincite

Lepidolite and Zincite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Subadamantine, Resinous

Pleochroism

X = almost colorless; Y = Z = pink
Very weak

Dispersion

0.010.16
0.005 1
👆🏻

Transparency

Transparent
TransparentRobert C. Kammerling

Refractive Index

1.525-1.5872.013-2.029
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Hexagonal

Birefringence

0.0290-0.03800.016
0 0.296
👆🏻

Clarity

Transparent
TransparentRobert C. Kammerling

Lepidolite and Zincite Optic Character

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

Similar to their colors, Lepidolite and Zincite 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.