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Moissanite
Moissanite

Pumpellyite
Pumpellyite



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Moissanite
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Pumpellyite

Moissanite and Pumpellyite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Fibrous
1.2 Pleochroism
NilArthur Thomas
Not Available
1.3 Dispersion
0.10NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Gemmological Tables (2004)
1.5 Refractive Index
2.648-2.6911.674-1.764
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
6H polytype
monoclinic
1.8 Birefringence
0.0430.014-0.016
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
OpaqueUlrich Henn and Claudio C. Milisenda

Moissanite and Pumpellyite Optic Character

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

Similar to their colors, Moissanite and Pumpellyite 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 Gemmological Tables (2004) More from other references while Moissanite is Gemmological Tables (2004) More from other references in appearance.