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Beryllonite
Beryllonite

Heliodor
Heliodor



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Beryllonite
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Heliodor

Beryllonite and Heliodor Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Pearly
-

Pleochroism

-
-

Dispersion

0.010.01
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.552-1.562-9999
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
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Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Beryllonite and Heliodor Optic Character

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

Similar to their colors, Beryllonite and Heliodor 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.