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Pearl
Pearl

Chrysoberyl
Chrysoberyl



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Pearl
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Chrysoberyl

Pearl and Chrysoberyl Optical Properties

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1 Optical Properties
1.1 Luster
Pearly
Vitreous
1.2 Pleochroism
AbsentWalter Schumann
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
None0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent, Opaque
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.52-1.661.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Orthorhombic
Orthorhombic
1.8 Birefringence
0.1560.007-0.013
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Pearl and Chrysoberyl Optic Character

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

Pearl and Chrysoberyl Transparency

Similar to their colors, Pearl 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, Pearl is Opaque and Translucent while Pearl is Opaque and Translucent in appearance.