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Augelite
Augelite

Beryllonite
Beryllonite



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Augelite
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Beryllonite

Augelite and Beryllonite Optical Properties

Optical Properties

Luster

Pearly
Vitreous, Adamantine, Pearly

Pleochroism

-
-

Dispersion

0.020.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.570-1.5911.552-1.562
1 3.25
👆🏻

Optic Character

-
-

Crystal System

-
monoclinic

Birefringence

0.020-0.0210.009
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
TransparentUlrich Henn and Claudio C. Milisenda

Augelite and Beryllonite Optic Character

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

Augelite and Beryllonite Transparency

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