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Colemanite
Colemanite

Baddeleyite
Baddeleyite



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Colemanite
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Baddeleyite

Colemanite and Baddeleyite Optical Properties

Optical Properties

Luster

Vitreous
Adamantine

Pleochroism

-
DistinctArthur Thomas

Dispersion

0.020.04
0.005 1
👆🏻

Transparency

Transparent
Transparent

Refractive Index

1.584-1.6152.13-2.20
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a
Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/c

Birefringence

0.028-0.0300.07
0 0.296
👆🏻

Clarity

Transparent
Transparent

Colemanite and Baddeleyite Optic Character

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

Colemanite and Baddeleyite Transparency

Similar to their colors, Colemanite and Baddeleyite 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, Colemanite is Transparent while Colemanite is Transparent in appearance.