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Kunzite
Kunzite

Danburite
Danburite



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Kunzite
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Danburite

Kunzite and Danburite Optical Properties

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Optical Properties

Luster

Vitreous
Vitreous, Greasy

Pleochroism

Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
Weak: pale yellow yellow

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
-

Refractive Index

1.657-1.6811.627-1.639
1 3.25
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Optic Character

-
Biaxial/+

Crystal System

monoclinic
Orthorhombic

Birefringence

0.014-0.0160.006
0 0.296
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Clarity

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

Kunzite and Danburite Optic Character

Kunzite and Danburite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Kunzite and Danburite 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 Danburite 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. Danburite has Biaxial/+ character.

Kunzite and Danburite Transparency

Similar to their colors, Kunzite and Danburite 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.