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Hiddenite
Hiddenite

Heliotrope
Heliotrope



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Hiddenite
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Heliotrope

Hiddenite and Heliotrope Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.657-1.6811.53-1.54
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.014-0.0160.004
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Hiddenite and Heliotrope Optic Character

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

Similar to their colors, Hiddenite and Heliotrope 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.