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Nickeline
Nickeline

Chrysoberyl
Chrysoberyl



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Nickeline
X
Chrysoberyl

Nickeline and Chrysoberyl Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
-
Strong (reflected light)
0.04
-
-9999
-
Hexagonal
-9999
-
 
Vitreous
X = red; Y = yellow-orange; Z = emerald-green
0.02
Transparent, Translucent, Transparent to translucent
1.746-1.763
Biaxial/+
Orthorhombic
0.007-0.013
Transparent

Nickeline and Chrysoberyl Optic Character

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

Nickeline and Chrysoberyl Transparency

Similar to their colors, Nickeline 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, Nickeline is while Nickeline is in appearance.