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Brookite
Brookite

Chrysoprase
Chrysoprase



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Brookite
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Chrysoprase

Brookite and Chrysoprase Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Waxy

Pleochroism

Very weak
-

Dispersion

0.200.01
0.005 1
👆🏻

Transparency

-
Translucent, Opaque, Translucent to nearly opaque

Refractive Index

2.583-2.7411.530-1.543
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
Trigonal

Birefringence

0.1170.004
0 0.296
👆🏻

Clarity

-
Translucent

Brookite and Chrysoprase Optic Character

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

Similar to their colors, Brookite and Chrysoprase 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.