Chrysoberyl and Rose Quartz Optical Properties

Chrysoberyl

Rose Quartz

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Optical Properties

Luster

Vitreous

Pleochroism

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

Weak: pink pale pinkHerve Nicolas Lazzarelli

Dispersion

0.020.01

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.746-1.7631.544-1.553

1 3.25

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Optic Character

Biaxial/+

Crystal System

Orthorhombic

Hexagonal

Birefringence

0.007-0.0130.009

0 0.296

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Clarity

Transparent

TranslucentHerve Nicolas Lazzarelli

Chrysoberyl and Rose Quartz Optic Character

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

Similar to their colors, Chrysoberyl and Rose Quartz 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 Transparent, Translucent and Transparent to translucent while Chrysoberyl is Transparent, Translucent and Transparent to translucent in appearance.