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Lepidolite
Lepidolite

Pezzotaite
Pezzotaite



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X
Lepidolite
X
Pezzotaite

Lepidolite and Pezzotaite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
-

Pleochroism

X = almost colorless; Y = Z = pink
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.525-1.5871.60-1.61
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Trigonal

Birefringence

0.0290-0.0380-9999
0 0.296
👆🏻

Clarity

Transparent
-

Lepidolite and Pezzotaite Optic Character

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

Similar to their colors, Lepidolite and Pezzotaite 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.