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Hiddenite
Hiddenite

Austinite
Austinite



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Hiddenite
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Austinite

Hiddenite and Austinite Optical Properties

Optical Properties

Luster

Vitreous
Subadamantine, Silky

Pleochroism

Distinct trichroism: yellow green green blue greenHerve Nicolas Lazzarelli
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Dispersion

0.020.03
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

1.657-1.6811.759
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.014-0.0160.024
0 0.296
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Clarity

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

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

Similar to their colors, Hiddenite and Austinite 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.