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Pumpellyite
Pumpellyite
☒

Moissanite
Moissanite
☒



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Pumpellyite
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Moissanite

Pumpellyite and Moissanite Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
-
0.02
-
1.674-1.764
-
monoclinic
0.014-0.016
OpaqueUlrich Henn and Claudio C. Milisenda
 
Adamantine
-
0.10
-
2.648-2.691
-
6H polytype
0.043
TransparentUlrich Henn and Claudio C. Milisenda

Pumpellyite and Moissanite Optic Character

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

Pumpellyite and Moissanite Transparency

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