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Chrysoberyl
Chrysoberyl

Sardonyx
Sardonyx



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Chrysoberyl
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Sardonyx

Chrysoberyl and Sardonyx Optical Properties

1 Optical Properties
1.1 Luster
Vitreous
Not Available
1.2 Pleochroism
X = red; Y = yellow-orange; Z = emerald-green
Not Available
1.3 Dispersion
0.02NA
Fluorite Optical Properties
0.007 1
1.4 Transparency
Transparent, Translucent, Transparent to translucent
Translucent
1.5 Refractive Index
1.746-1.7631.530-1.543
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.007-0.0130.008-0.010
Achroite
0 0.296
1.9 Clarity
Transparent
Translucent

Chrysoberyl and Sardonyx Optic Character

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

Similar to their colors, Chrysoberyl and Sardonyx 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.