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Moissanite
Moissanite
☒

Grandidierite
Grandidierite
☒



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Moissanite
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Grandidierite

Moissanite and Grandidierite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Adamantine
-
0.10
-
2.648-2.691
-
6H polytype
0.043
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous, Pearly
visible
0.04
-
1.578-1.639
-
Orthorhombic
0.037-0.039
-

Moissanite and Grandidierite Optic Character

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

Moissanite and Grandidierite Transparency

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