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Beryllonite
Beryllonite

Aragonite
Aragonite



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Beryllonite
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Aragonite

Beryllonite and Aragonite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Pearly
Vitreous, Resinous

Pleochroism

-
StrongArthur Thomas

Dispersion

0.010.17
0.005 1
👆🏻

Transparency

-
Transparent, Translucent

Refractive Index

1.552-1.5621.525-1.686
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.0090.155
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Beryllonite and Aragonite Optic Character

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

Beryllonite and Aragonite Transparency

Similar to their colors, Beryllonite and Aragonite 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, Beryllonite is while Beryllonite is in appearance.