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Gedrite
Gedrite

Sapphire
Sapphire



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Gedrite
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Sapphire

Gedrite and Sapphire Optical Properties

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1 Optical Properties
1.1 Luster
Fibrous, Vitreous
Vitreous, Adamantine, Vitreous, Adamantine
1.2 Pleochroism
Weak to moderate
Strong
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent
Transparent, Translucent, Transparent to opaque
1.5 Refractive Index
1.625-1.7181.762-1.788
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Orthorhombic Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P nma
Trigonal
1.8 Birefringence
Not Available0.008-0.009
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Gedrite and Sapphire Optic Character

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

Gedrite and Sapphire Transparency

Similar to their colors, Gedrite and Sapphire 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, Gedrite is Transparent while Gedrite is Transparent in appearance.