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Chrome-Chalcedony
Chrome-Chalcedony

Chrysoberyl
Chrysoberyl



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Chrome-Chalcedony
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Chrysoberyl

Chrome-Chalcedony and Chrysoberyl Optical Properties

Optical Properties

Luster

Waxy
Vitreous

Pleochroism

-
X = red; Y = yellow-orange; Z = emerald-green

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.530-1.5431.746-1.763
1 3.25
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Optic Character

-
Biaxial/+

Crystal System

-
Orthorhombic

Birefringence

0.003-0.0090.007-0.013
0 0.296
👆🏻

Clarity

Translucent
Transparent

Chrome-Chalcedony and Chrysoberyl Optic Character

Chrome-Chalcedony and Chrysoberyl optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrome-Chalcedony and Chrysoberyl 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 Chrome-Chalcedony and Chrysoberyl 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. Chrysoberyl has Biaxial/+ character.

Chrome-Chalcedony and Chrysoberyl Transparency

Similar to their colors, Chrome-Chalcedony and Chrysoberyl 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.