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Chalcedony
Chalcedony

Goshenite
Goshenite



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Chalcedony
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Goshenite

Chalcedony and Goshenite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

Translucent, Translucent to opaque
Transparent

Refractive Index

1.530-1.5431.562-1.615
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
Hexagonal

Birefringence

0.003-0.0090.003-0.010
0 0.296
👆🏻

Clarity

Translucent
Transparent

Chalcedony and Goshenite Optic Character

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

Similar to their colors, Chalcedony and Goshenite 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.