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Charlesite
Charlesite

Beryllonite
Beryllonite



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Charlesite
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Beryllonite

Charlesite and Beryllonite Optical Properties

Optical Properties

Luster

Vitreous
Vitreous, Adamantine, Pearly

Pleochroism

Nearly colorless to pale golden yellow
-

Dispersion

0.030.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.4921.552-1.562
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Trigonal
monoclinic

Birefringence

-99990.009
0 0.296
👆🏻

Clarity

-
TransparentUlrich Henn and Claudio C. Milisenda

Charlesite and Beryllonite Optic Character

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

Charlesite and Beryllonite Transparency

Similar to their colors, Charlesite 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, Charlesite is while Charlesite is in appearance.