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Brookite
Brookite

Cacoxenite
Cacoxenite



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Brookite
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Cacoxenite

Brookite and Cacoxenite Optical Properties

Optical Properties

Luster

Adamantine
Silky

Pleochroism

Very weak
visible: O = Pale yellow E = Canary yellow to yellow orange

Dispersion

0.200.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.583-2.7411.575-1.585
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Hexagonal

Birefringence

0.117-9999
0 0.296
👆🏻

Clarity

-
-

Brookite and Cacoxenite Optic Character

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

Brookite and Cacoxenite Transparency

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