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Williamsite
Williamsite

Lepidolite
Lepidolite



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X
Williamsite
X
Lepidolite

Williamsite and Lepidolite Optical Properties

Optical Properties

Luster

Waxy, Silky, Resinous, Greasy
Vitreous, Pearly

Pleochroism

-
X = almost colorless; Y = Z = pink

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

TranslucentHerve Nicolas Lazzarelli
Transparent

Refractive Index

1.530-1.5751.525-1.587
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
Triclinic

Birefringence

-99990.0290-0.0380
0 0.296
👆🏻

Clarity

TranslucentHerve Nicolas Lazzarelli
Transparent

Williamsite and Lepidolite Optic Character

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

Williamsite and Lepidolite Transparency

Similar to their colors, Williamsite 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, Williamsite is TranslucentHerve Nicolas Lazzarelli while Williamsite is TranslucentHerve Nicolas Lazzarelli in appearance.