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Beryllonite
Beryllonite

Chrysotile
Chrysotile



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Beryllonite
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Chrysotile

Beryllonite and Chrysotile Optical Properties

Optical Properties

Luster

Vitreous, Adamantine, Pearly
Silky

Pleochroism

-
-

Dispersion

0.010.02
0.005 1
👆🏻

Transparency

-
-

Refractive Index

1.552-1.5621.530-1.575
1 3.25
👆🏻

Optic Character

-
-

Crystal System

monoclinic
Monoclinic : clinochrysotile (most common)

Birefringence

0.0090.001
0 0.296
👆🏻

Clarity

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

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

Similar to their colors, Beryllonite and Chrysotile 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.