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Fancy Diamond
Fancy Diamond

Onyx
Onyx



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Fancy Diamond
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Onyx

Fancy Diamond and Onyx Optical Properties

1 Optical Properties
1.1 Luster
Not Available
Vitreous
1.2 Pleochroism
Not Available
Not Available
1.3 Dispersion
NANA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Not Available
Translucent, Opaque, Translucent to opaque
1.5 Refractive Index
2.421.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
cubic
Trigonal
1.8 Birefringence
Not AvailableNot Available
Achroite
0 0.296
1.9 Clarity
Color grading system
OpaqueHerve Nicolas Lazzarelli

Fancy Diamond and Onyx Optic Character

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

Fancy Diamond and Onyx Transparency

Similar to their colors, Fancy Diamond and Onyx 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, Fancy Diamond is Not Available while Fancy Diamond is Not Available in appearance.