Chrome-Chalcedony and Phenakite Optical Properties

Chrome-Chalcedony

Phenakite

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1 Optical Properties

1.1 Luster

Waxy

Vitreous

1.2 Pleochroism

Not Available

Distinct: colorless orangy-yellowHerve Nicolas Lazzarelli

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.530-1.5431.650-1.695

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Trigonal

1.8 Birefringence

0.003-0.0090.016

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Chrome-Chalcedony and Phenakite Optic Character

Chrome-Chalcedony and Phenakite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Chrome-Chalcedony 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 Chrome-Chalcedony 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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Chrome-Chalcedony and Phenakite Transparency

Similar to their colors, Chrome-Chalcedony 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, Chrome-Chalcedony is Translucent while Chrome-Chalcedony is Translucent in appearance.