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Chrysoberyl
Chrysoberyl

Crystal Opal
Crystal Opal



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Chrysoberyl
X
Crystal Opal

Chrysoberyl and Crystal 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
Transparent
1.5 Refractive Index
1.746-1.7631.370-1.
Agate Opal
1 3.25
1.6 Optic Character
Biaxial/+
Not Available
1.7 Crystal System
Orthorhombic
Not Available
1.8 Birefringence
0.007-0.013Not Available
Achroite
0 0.296
1.9 Clarity
Transparent
Transparent

Chrysoberyl and Crystal Opal Optic Character

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

Similar to their colors, Chrysoberyl and Crystal 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.