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Chalcedony
Chalcedony

Elbaite
Elbaite



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Chalcedony
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Elbaite

Chalcedony and Elbaite Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
Pale green
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Translucent to opaque
Transparent
1.5 Refractive Index
1.530-1.5431.614-1.666
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Not Available
1.7 Crystal System
Trigonal
Trigonal
1.8 Birefringence
0.003-0.0090.014-0.032
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Chalcedony and Elbaite Optic Character

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

Chalcedony and Elbaite Transparency

Similar to their colors, Chalcedony and Elbaite 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, Chalcedony is Translucent and Translucent to opaque while Chalcedony is Translucent and Translucent to opaque in appearance.