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Erythrite
Erythrite

Moissanite
Moissanite



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Erythrite
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Moissanite

Erythrite and Moissanite Optical Properties

1 Optical Properties
1.1 Luster
Subadamantine, Pearly
Adamantine
1.2 Pleochroism
Visible: X = pale pinkish to pale rose; Y = pale violet to pale violet-rose; Z = deep red
NilArthur Thomas
1.3 Dispersion
NA0.10
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Gemmological Tables (2004) More from other references
1.5 Refractive Index
1.626-1.6292.648-2.691
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
monoclinic
6H polytype
1.8 Birefringence
Not Available0.043
Achroite
0 0.296
1.9 Clarity
Not Available
TransparentUlrich Henn and Claudio C. Milisenda

Erythrite and Moissanite Optic Character

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

Erythrite and Moissanite Transparency

Similar to their colors, Erythrite 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, Erythrite is Not Available while Erythrite is Not Available in appearance.