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Moissanite
Moissanite

Powellite
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Moissanite and Powellite Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Greasy, Subadamantine
1.2 Pleochroism
NilArthur Thomas
In deeply colored specimens: blue greenAnthony et al
1.3 Dispersion
0.10NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Transparent
1.5 Refractive Index
2.648-2.6911.974-1.984
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
6H polytype
Not Available
1.8 Birefringence
0.043Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Moissanite and Powellite Optic Character

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

Similar to their colors, Moissanite and Powellite 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.