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Beryllonite
Beryllonite

Anglesite
Anglesite



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Beryllonite
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Anglesite

Beryllonite and Anglesite Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Pearly
Adamantine

Pleochroism

-
-

Dispersion

0.010.04
0.005 1
👆🏻

Transparency

-
Transparent

Refractive Index

1.552-1.5621.877-1.894
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Orthorhombic

Birefringence

0.0090.017
0 0.296
👆🏻

Clarity

TransparentUlrich Henn and Claudio C. Milisenda
Transparent

Beryllonite and Anglesite Optic Character

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

Similar to their colors, Beryllonite and Anglesite 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.