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Hiddenite
Hiddenite

Tugtupite
Tugtupite



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Hiddenite
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Tugtupite

Hiddenite and Tugtupite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
ModerateArthur Thomas

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
OpaqueHerve Nicolas Lazzarelli

Refractive Index

1.657-1.6811.494-1.504
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.014-0.0160.008
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
OpaqueHerve Nicolas Lazzarelli

Hiddenite and Tugtupite Optic Character

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

Similar to their colors, Hiddenite and Tugtupite 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.