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Moissanite
Moissanite

Purpurite
Purpurite



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Moissanite
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Purpurite

Moissanite and Purpurite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Not Available
1.2 Pleochroism
NilArthur Thomas
StrongArthur Thomas
1.3 Dispersion
0.10NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references
1.5 Refractive Index
2.648-2.6911.85-1.92
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
6H polytype
Orthorhombic
1.8 Birefringence
0.0430.070
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
TranslucentWalter Schumann

Moissanite and Purpurite Optic Character

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

Similar to their colors, Moissanite and Purpurite 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.