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Kunzite
Kunzite

Cassiterite
Cassiterite



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Kunzite
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Cassiterite

Kunzite and Cassiterite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine, Greasy

Pleochroism

Strong trichroism: colorless pink violetHerve Nicolas Lazzarelli
Pleochroic haloes have been observed. Dichroic in yellow

Dispersion

0.020.07
0.005 1
👆🏻

Transparency

Transparent
Transparent, Translucent

Refractive Index

1.657-1.6811.990-2.105
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
tetragonal

Birefringence

0.014-0.0160.096-0.098
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Kunzite and Cassiterite Optic Character

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

Similar to their colors, Kunzite and Cassiterite 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.