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Brookite
Brookite

Clinochlore
Clinochlore



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Brookite
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Clinochlore

Brookite and Clinochlore Optical Properties

Optical Properties

Luster

Adamantine
Pearly, Greasy

Pleochroism

Very weak
Distinct: light yellow-green to light bluE

Dispersion

0.200.02
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

2.583-2.7411.571-1.597
1 3.25
👆🏻

Optic Character

-
Biaxial/+

Crystal System

Orthorhombic
Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/m

Birefringence

0.117-9999
0 0.296
👆🏻

Clarity

-
Transparent

Brookite and Clinochlore Optic Character

Brookite and Clinochlore optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Brookite and Clinochlore 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 Clinochlore 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. Clinochlore has Biaxial/+ character.

Brookite and Clinochlore Transparency

Similar to their colors, Brookite and Clinochlore 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.