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Tantalite
Tantalite
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Moissanite
Moissanite
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Tantalite
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Moissanite

Tantalite and Moissanite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Resinous
-
0.03
TransparentWalter Schumann
2.190-2.457
-
Orthorhombic
0.083
TransparentWalter Schumann
 
Adamantine
-
0.10
-
2.648-2.691
-
6H polytype
0.043
TransparentUlrich Henn and Claudio C. Milisenda

Tantalite and Moissanite Optic Character

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

Tantalite and Moissanite Transparency

Similar to their colors, Tantalite 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, Tantalite is while Tantalite is in appearance.