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Charoite
Charoite

Chrysoberyl
Chrysoberyl



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Charoite
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Chrysoberyl

Charoite and Chrysoberyl Optical Properties

1 Optical Properties
1.1 Luster
Pearly, Fibrous, Chatoyant
Vitreous
1.2 Pleochroism
NilArthur Thomas
X = red; Y = yellow-orange; Z = emerald-green
1.3 Dispersion
NA0.02
Fluorite Optical Properties
0.007 1
1.4 Transparency
Translucent
Transparent, Translucent, Transparent to translucent
1.5 Refractive Index
1.545-1.5601.746-1.763
Agate Opal
1 3.25
1.6 Optic Character
Not Available
Biaxial/+
1.7 Crystal System
Triclinic
Orthorhombic
1.8 Birefringence
0.0090.007-0.013
Achroite
0 0.296
1.9 Clarity
Translucent
Transparent

Charoite and Chrysoberyl Optic Character

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

Charoite and Chrysoberyl Transparency

Similar to their colors, Charoite 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, Charoite is Translucent while Charoite is Translucent in appearance.