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Cassiterite
Cassiterite

Tigers Eye
Tigers Eye



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Cassiterite
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Tigers Eye

Cassiterite and Tigers Eye Optical Properties

Optical Properties

Luster

Adamantine, Greasy
Silky

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow
-

Dispersion

0.070.01
0.005 1
👆🏻

Transparency

Transparent, Translucent
Opaque

Refractive Index

1.990-2.1051.534-1.540
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
Trigonal

Birefringence

0.096-0.098-9999
0 0.296
👆🏻

Clarity

Transparent
-

Cassiterite and Tigers Eye Optic Character

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

Cassiterite and Tigers Eye Transparency

Similar to their colors, Cassiterite and Tigers Eye 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, Cassiterite is Transparent and Translucent while Cassiterite is Transparent and Translucent in appearance.