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Chrysoberyl
Chrysoberyl

Agate Opal
Agate Opal



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Chrysoberyl
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Agate Opal

Chrysoberyl and Agate Opal Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
AbsentWalter Schumann
1.3 Dispersion
0.02None
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent
1.5 Refractive Index
1.746-1.7631.37-1.52
Amber
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.007-0.013Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Chrysoberyl and Agate Opal Optic Character

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

Chrysoberyl and Agate Opal Transparency

Similar to their colors, Chrysoberyl and Agate Opal 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, Chrysoberyl is Translucent, Transparent and Transparent to translucent while Chrysoberyl is Translucent, Transparent and Transparent to translucent in appearance.