Pyrope Garnet and Chrysoberyl Optical Properties

Pyrope Garnet

Chrysoberyl

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Optical Properties

Luster

Vitreous

Pleochroism

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

Dispersion

0.030.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.720-1.7601.746-1.763

1 3.25

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Optic Character

Biaxial/+

Crystal System

Isometric

Orthorhombic

Birefringence

-99990.007-0.013

0 0.296

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Clarity

Transparent to translucent

Transparent

Pyrope Garnet and Chrysoberyl Optic Character

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

Similar to their colors, Pyrope Garnet 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, Pyrope Garnet is Transparent, Translucent and Transparent to translucent while Pyrope Garnet is Transparent, Translucent and Transparent to translucent in appearance.