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Hiddenite
Hiddenite

Coral
Coral



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Hiddenite
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Coral

Hiddenite and Coral Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
-

Dispersion

0.020.03
0.005 1
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Transparency

Transparent
Translucent

Refractive Index

1.657-1.6811.486-1.658
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Trigonal

Birefringence

0.014-0.0160.160-0.172
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Hiddenite and Coral Optic Character

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

Similar to their colors, Hiddenite and Coral 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.