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Norbergite
Norbergite

Hiddenite
Hiddenite



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Norbergite
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Hiddenite

Norbergite and Hiddenite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Pale yellow very pale yellow colorlessAnthony et al
Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
Transparent

Refractive Index

1.563-1.5931.657-1.681
1 3.25
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Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

-99990.014-0.016
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Norbergite and Hiddenite Optic Character

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

Norbergite and Hiddenite Transparency

Similar to their colors, Norbergite 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, Norbergite is Transparent while Norbergite is Transparent in appearance.