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Abalone
Abalone

Legrandite
Legrandite



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Abalone
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Legrandite

Abalone and Legrandite Optical Properties

Optical Properties

Luster

-
Vitreous

Pleochroism

-
Colorless

Dispersion

0.540.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

-99991.702-1.740
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.060
0 0.296
👆🏻

Clarity

Translucent
-

Abalone and Legrandite Optic Character

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

Abalone and Legrandite Transparency

Similar to their colors, Abalone 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, Abalone is while Abalone is in appearance.