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Cassiterite
Cassiterite

Edenite
Edenite



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Cassiterite
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Edenite

Cassiterite and Edenite Optical Properties

Optical Properties

Luster

Adamantine, Greasy
Vitreous

Pleochroism

Pleochroic haloes have been observed. Dichroic in yellow
Distinct

Dispersion

0.070.02
0.005 1
👆🏻

Transparency

Transparent, Translucent
-

Refractive Index

1.990-2.1051.606-1.649
1 3.25
👆🏻

Optic Character

-
-

Crystal System

tetragonal
monoclinic

Birefringence

0.096-0.098-9999
0 0.296
👆🏻

Clarity

Transparent
-

Cassiterite and Edenite Optic Character

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

Similar to their colors, Cassiterite and Edenite 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.