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Sapphire
Sapphire

Ulexite
Ulexite



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Sapphire
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Ulexite

Sapphire and Ulexite Optical Properties

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1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Not Available
1.2 Pleochroism
Strong
AbsentWalter 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
Transparent
1.5 Refractive Index
1.762-1.788
1.491-1.520
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.008-0.009
0.029
1.9 Clarity
Transparent
Transparent

Sapphire and Ulexite Optic Character

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

Similar to their colors, Sapphire and Ulexite 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.