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Legrandite
Legrandite

Hiddenite
Hiddenite



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Legrandite
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Hiddenite

Legrandite and Hiddenite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Colorless
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.702-1.7401.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.0600.014-0.016
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Legrandite and Hiddenite Optic Character

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

Similar to their colors, Legrandite and Hiddenite 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.