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Kunzite
Kunzite

Franklinite
Franklinite



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Kunzite
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Franklinite

Kunzite and Franklinite Optical Properties

Optical Properties

Luster

Vitreous
-

Pleochroism

Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
-

Dispersion

0.020.19
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

1.657-1.681-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Isometric Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m

Birefringence

0.014-0.016-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Translucent

Kunzite and Franklinite Optic Character

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

Similar to their colors, Kunzite and Franklinite 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.