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Cacoxenite
Cacoxenite

Taaffeite
Taaffeite



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Cacoxenite
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Taaffeite

Cacoxenite and Taaffeite Optical Properties

Optical Properties

Luster

Silky
Vitreous

Pleochroism

visible: O = Pale yellow E = Canary yellow to yellow orange
Weak

Dispersion

0.030.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.575-1.5851.70-1.73
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Hexagonal
Hexagonal

Birefringence

-99990.055
0 0.296
👆🏻

Clarity

-
-

Cacoxenite and Taaffeite Optic Character

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

Cacoxenite and Taaffeite Transparency

Similar to their colors, Cacoxenite and Taaffeite 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, Cacoxenite is while Cacoxenite is in appearance.