Kunzite and Zoisite Optical Properties

Kunzite

Zoisite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli

X = pale pink to red-violet; Y = nearly colorless to bright pink or deep blue; Z = pale yellow to yellow-green

1.3 Dispersion

0.020.02

0.007 1

1.4 Transparency

Transparent

Transparent, Translucent, Opaque . May be translucent in thin backlit sections.

1.5 Refractive Index

1.657-1.6811.685-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.014-0.0160.006-0.018

0 0.296

1.9 Clarity

TransparentUlrich Henn and Claudio C. Milisenda

Transparent

Kunzite and Zoisite Optic Character

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

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Kunzite and Zoisite Transparency

Similar to their colors, Kunzite and Zoisite 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.