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Legrandite
Legrandite

Smithsonite
Smithsonite



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Legrandite
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Smithsonite

Legrandite and Smithsonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Colorless
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
Translucent

Refractive Index

1.702-1.7401.620-1.850
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.0600.223-0.227
0 0.296
👆🏻

Clarity

-
Translucent

Legrandite and Smithsonite Optic Character

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

Similar to their colors, Legrandite and Smithsonite 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.