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Legrandite
Legrandite

Weloganite
Weloganite



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Legrandite
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Weloganite

Legrandite and Weloganite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Colorless
-

Dispersion

0.030.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.702-1.7401.558
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.0600.082
0 0.296
👆🏻

Clarity

-
-

Legrandite and Weloganite Optic Character

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

Legrandite and Weloganite Transparency

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