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Boleite
Boleite

Beryllonite
Beryllonite



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Boleite
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Beryllonite

Boleite and Beryllonite Optical Properties

Optical Properties

Luster

Vitreous, Pearly
Vitreous, Adamantine, Pearly

Pleochroism

-
-

Dispersion

0.070.01
0.005 1
👆🏻

Transparency

Transparent
-

Refractive Index

2.051.552-1.562
1 3.25
👆🏻

Optic Character

-
-

Crystal System

Isometric
monoclinic

Birefringence

0.0100.009
0 0.296
👆🏻

Clarity

Transparent
TransparentUlrich Henn and Claudio C. Milisenda

Boleite and Beryllonite Optic Character

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

Boleite and Beryllonite Transparency

Similar to their colors, Boleite 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, Boleite is Transparent while Boleite is Transparent in appearance.