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Hiddenite
Hiddenite

Legrandite
Legrandite



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Hiddenite
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Legrandite

Hiddenite and Legrandite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
Colorless

Dispersion

0.020.03
0.005 1
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Transparency

Transparent
-

Refractive Index

1.657-1.6811.702-1.740
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.014-0.0160.060
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Hiddenite and Legrandite Optic Character

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

Hiddenite and Legrandite Transparency

Similar to their colors, Hiddenite 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, Hiddenite is Transparent while Hiddenite is Transparent in appearance.