Chrome-Chalcedony and Beryllonite Optical Properties

Chrome-Chalcedony

Beryllonite

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1 Optical Properties

1.1 Luster

Waxy

Vitreous, Adamantine, Pearly

1.2 Pleochroism

Not Available

AbsentWalter Schumann

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

Translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.530-1.5431.552-1.562

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

monoclinic

1.8 Birefringence

0.003-0.0090.009

0 0.296

1.9 Clarity

Translucent

TransparentUlrich Henn and Claudio C. Milisenda

Chrome-Chalcedony and Beryllonite Optic Character

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

Similar to their colors, Chrome-Chalcedony and Beryllonite 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.