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Agate Opal
Agate Opal

Chrysoberyl
Chrysoberyl



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X
Agate Opal
X
Chrysoberyl

Agate Opal and Chrysoberyl Optical Properties

Optical Properties

Luster

-
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

1.37-1.521.746-1.763
1 3.25
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Optic Character

-
Biaxial/+

Crystal System

-
Orthorhombic

Birefringence

-99990.007-0.013
0 0.296
👆🏻

Clarity

Translucent
Transparent

Agate Opal and Chrysoberyl Optic Character

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

Agate Opal and Chrysoberyl Transparency

Similar to their colors, Agate Opal 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, Agate Opal is Translucent while Agate Opal is Translucent in appearance.