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Sapphire

Ivory
Ivory



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Sapphire and Ivory Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Not Available
1.2 Pleochroism
Strong
NoneWalter Schumann
1.3 Dispersion
Albite Optical ..
0.02
Rank: 21 (Overall)
None
Rank: N/A (Overall)
Fluorite Optical Properties
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Translucent
1.5 Refractive Index
1.762-1.788
1.535-1.570
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.008-0.009
Not Available
1.9 Clarity
Transparent
Translucent

Sapphire and Ivory Optic Character

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

Similar to their colors, Sapphire and Ivory 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.