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Sapphire
Sapphire

Fancy Diamond
Fancy Diamond



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Sapphire
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Fancy Diamond

Sapphire and Fancy Diamond Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Not Available
1.2 Pleochroism
Strong
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Not Available
1.5 Refractive Index
1.762-1.7882.42
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
cubic
1.8 Birefringence
0.008-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Color grading system

Sapphire and Fancy Diamond Optic Character

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

Sapphire and Fancy Diamond Transparency

Similar to their colors, Sapphire and Fancy Diamond 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, Sapphire is Translucent, Transparent and Transparent to opaque while Sapphire is Translucent, Transparent and Transparent to opaque in appearance.