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Kunzite
Kunzite

Sinhalite
Sinhalite



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Kunzite
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Sinhalite

Kunzite and Sinhalite Optical Properties

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Optical Properties

Luster

Vitreous
-

Pleochroism

Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
Trichroism: green light brown dark brownHerve Nicolas Lazzarelli

Dispersion

0.020.02
0.005 1
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Transparency

Transparent
-

Refractive Index

1.657-1.6811.665-1.712
1 3.25
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Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.014-0.0160.036-0.042
0 0.296
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Clarity

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

Kunzite and Sinhalite Optic Character

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

Similar to their colors, Kunzite and Sinhalite 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.