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Thomsonite
Thomsonite

Moissanite
Moissanite



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Thomsonite
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Moissanite

Thomsonite and Moissanite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Adamantine

Pleochroism

-
-

Dispersion

0.010.10
0.005 1
👆🏻

Transparency

Translucent
-

Refractive Index

1.510-1.5502.648-2.691
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Orthorhombic
6H polytype

Birefringence

0.015-0.0200.043
0 0.296
👆🏻

Clarity

Translucent
TransparentUlrich Henn and Claudio C. Milisenda

Thomsonite and Moissanite Optic Character

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

Thomsonite and Moissanite Transparency

Similar to their colors, Thomsonite and Moissanite 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, Thomsonite is Translucent while Thomsonite is Translucent in appearance.