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Beryllonite
Beryllonite

Hessonite Garnet
Hessonite Garnet



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Beryllonite
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Hessonite Garnet

Beryllonite and Hessonite Garnet Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Pearly
-

Pleochroism

-
-

Dispersion

0.010.03
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.552-1.5621.72-1.75
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Isometric

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
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Beryllonite and Hessonite Garnet Optic Character

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

Similar to their colors, Beryllonite and Hessonite Garnet 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.