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Kunzite
Kunzite

Spinel
Spinel



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Kunzite
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Spinel

Kunzite and Spinel Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
Absent

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.657-1.6811.73
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Isometric

Birefringence

0.014-0.016-9999
0 0.296
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Clarity

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

Kunzite and Spinel Optic Character

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

Kunzite and Spinel Transparency

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