Jadeite and Zoisite Optical Properties

Jadeite

Zoisite

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1 Optical Properties

1.1 Luster

Pearly

Vitreous

1.2 Pleochroism

NilArthur Thomas

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

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Translucent

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

1.5 Refractive Index

1.652-1.6881.685-1.707

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Orthorhombic

1.8 Birefringence

0.013-0.0200.006-0.018

0 0.296

1.9 Clarity

Translucent

Transparent

Jadeite and Zoisite Optic Character

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

Similar to their colors, Jadeite 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, Jadeite is Translucent while Jadeite is Translucent in appearance.