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Brookite
Brookite

Eilat stone
Eilat stone



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Brookite
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Eilat stone

Brookite and Eilat stone Optical Properties

Optical Properties

Luster

Adamantine
-

Pleochroism

Very weak
-

Dispersion

0.200.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

2.583-2.741-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
-

Birefringence

0.117-9999
0 0.296
👆🏻

Clarity

-
-

Brookite and Eilat stone Optic Character

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

Similar to their colors, Brookite and Eilat stone 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.