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Beryllonite
Beryllonite

Chromite
Chromite



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Beryllonite
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Chromite

Beryllonite and Chromite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Pearly
-

Pleochroism

-
none.

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.552-1.5622.08-2.16
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Isometric

Birefringence

0.009-9999
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
-

Beryllonite and Chromite Optic Character

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

Similar to their colors, Beryllonite and Chromite 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.