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Moissanite
Moissanite

Lapis lazuli
Lapis lazuli



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Lapis lazuli

Moissanite and Lapis lazuli Optical Properties

1 Optical Properties
1.1 Luster
Adamantine
Vitreous, Greasy
1.2 Pleochroism
NilArthur Thomas
AbsentWalter Schumann
1.3 Dispersion
0.10None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Gemmological Tables (2004) More from other references
Opaque
1.5 Refractive Index
2.648-2.6911.500-1.670
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
6H polytype
Trigonal
1.8 Birefringence
0.043Not Available
Achroite
0 0.296
1.9 Clarity
TransparentUlrich Henn and Claudio C. Milisenda
Gemstones of the world (2001)

Moissanite and Lapis lazuli Optic Character

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

Similar to their colors, Moissanite and Lapis lazuli 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.