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Phenakite
Phenakite

Kunzite
Kunzite



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Phenakite
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Kunzite

Phenakite and Kunzite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
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Transparency

-
Transparent

Refractive Index

1.650-1.6951.657-1.681
1 3.25
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Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

0.0160.014-0.016
0 0.296
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Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Phenakite and Kunzite Optic Character

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

Phenakite and Kunzite Transparency

Similar to their colors, Phenakite 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, Phenakite is while Phenakite is in appearance.