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Kyanite
Kyanite

Chrysoprase
Chrysoprase



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Kyanite
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Chrysoprase

Kyanite and Chrysoprase Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Waxy

Pleochroism

Trichroic
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

1.71-1.741.530-1.543
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Triclinic
Trigonal

Birefringence

-99990.004
0 0.296
👆🏻

Clarity

-
Translucent

Kyanite and Chrysoprase Optic Character

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

Kyanite and Chrysoprase Transparency

Similar to their colors, Kyanite and Chrysoprase 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, Kyanite is while Kyanite is in appearance.