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Charlesite
Charlesite

Legrandite
Legrandite



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Charlesite
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Legrandite

Charlesite and Legrandite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Nearly colorless to pale golden yellow
Colorless

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4921.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.060
0 0.296
👆🏻

Clarity

-
-

Charlesite and Legrandite Optic Character

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

Charlesite and Legrandite Transparency

Similar to their colors, Charlesite and Legrandite 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, Charlesite is while Charlesite is in appearance.