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Ammolite
Ammolite

Hiddenite
Hiddenite



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Ammolite
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Hiddenite

Ammolite and Hiddenite Optical Properties

Optical Properties

Luster

Silky, Vitreous
Vitreous

Pleochroism

None
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.520-1.6701.657-1.681
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.135-0.1450.014-0.016
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Ammolite and Hiddenite Optic Character

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

Ammolite and Hiddenite Transparency

Similar to their colors, Ammolite and Hiddenite 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, Ammolite is while Ammolite is in appearance.