Diamond and Chrysoberyl Optical Properties

Diamond

Chrysoberyl

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Optical Properties

Luster

Adamantine

Vitreous

Pleochroism

None

X = red; Y = yellow-orange; Z = emerald-green

Dispersion

0.040.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to opaque

Transparent, Translucent, Transparent to translucent

Refractive Index

2.417-2.4191.746-1.763

1 3.25

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Optic Character

Biaxial/+

Crystal System

cubic

Orthorhombic

Birefringence

-99990.007-0.013

0 0.296

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Clarity

Transparent

Diamond and Chrysoberyl Optic Character

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

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Diamond and Chrysoberyl Transparency

Similar to their colors, Diamond 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, Diamond is Transparent, Translucent and Transparent to opaque while Diamond is Transparent, Translucent and Transparent to opaque in appearance.