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Baddeleyite
Baddeleyite

Thomsonite
Thomsonite



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Baddeleyite
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Thomsonite

Baddeleyite and Thomsonite Optical Properties

Optical Properties

Luster

Adamantine
Vitreous, Pearly

Pleochroism

DistinctArthur Thomas
-

Dispersion

0.040.01
0.005 1
👆🏻

Transparency

Transparent
Translucent

Refractive Index

2.13-2.201.510-1.550
1 3.25
👆🏻

Optic Character

-
-

Crystal System

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

Birefringence

0.070.015-0.020
0 0.296
👆🏻

Clarity

Transparent
Translucent

Baddeleyite and Thomsonite Optic Character

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

Baddeleyite and Thomsonite Transparency

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