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Lazulite
Lazulite

Kunzite
Kunzite



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Lazulite
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Kunzite

Lazulite and Kunzite Optical Properties

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Optical Properties

Luster

-
Vitreous

Pleochroism

Transparent crystals show a strong pleochroism: colorless light blue dark (violet) blueHerve Nicolas Lazzarelli
Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli

Dispersion

0.010.02
0.005 1
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Transparency

Transparent, Translucent
Transparent

Refractive Index

1.604-1.6461.657-1.681
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
monoclinic

Birefringence

0.031-0.0360.014-0.016
0 0.296
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Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Lazulite and Kunzite Optic Character

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

Lazulite and Kunzite Transparency

Similar to their colors, Lazulite 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, Lazulite is Transparent and Translucent while Lazulite is Transparent and Translucent in appearance.