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Hiddenite
Hiddenite

Gyrolite
Gyrolite



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Hiddenite
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Gyrolite

Hiddenite and Gyrolite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Pearly

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
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Dispersion

0.02-
0.005 1
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Transparency

Transparent
-

Refractive Index

1.657-1.6811.535
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Triclinic

Birefringence

0.014-0.0160.0140
0 0.296
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Clarity

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

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

Similar to their colors, Hiddenite and Gyrolite 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.