Rutilated Quartz and Phenakite Optical Properties

Rutilated Quartz

Phenakite

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Optical Properties

Luster

Vitreous

Pleochroism

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

Dispersion

0.010.02

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.544-1.5531.650-1.695

1 3.25

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Optic Character

Crystal System

Hexagonal

Trigonal

Birefringence

0.0090.016

0 0.296

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Clarity

Transparent

TransparentUlrich Henn and Claudio C. Milisenda

Rutilated Quartz and Phenakite Optic Character

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

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Rutilated Quartz and Phenakite Transparency

Similar to their colors, Rutilated Quartz and Phenakite 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, Rutilated Quartz is Transparent, Translucent and Transparent to translucent while Rutilated Quartz is Transparent, Translucent and Transparent to translucent in appearance.