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Alunite
Alunite

Kunzite
Kunzite



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Alunite
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Kunzite

Alunite and Kunzite Optical Properties

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Optical Properties

Luster

Vitreous, Pearly
Vitreous

Pleochroism

-
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
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Transparency

-
Transparent

Refractive Index

1.5721.657-1.681
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.0200.014-0.016
0 0.296
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Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Alunite and Kunzite Optic Character

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

Alunite and Kunzite Transparency

Similar to their colors, Alunite and Kunzite 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, Alunite is while Alunite is in appearance.