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Sapphire
Sapphire

Povondraite
Povondraite



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Sapphire
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Povondraite

Sapphire and Povondraite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous, Adamantine, Vitreous, Adamantine
Resinous
1.2 Pleochroism
Strong
Strong: yellow-brown
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to opaque
Translucent
1.5 Refractive Index
1.762-1.788Not Available
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Not Available
1.8 Birefringence
0.008-0.009Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Sapphire and Povondraite Optic Character

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

Similar to their colors, Sapphire and Povondraite 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.