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Beryllonite
Beryllonite

Andesine
Andesine



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Beryllonite
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Andesine

Beryllonite and Andesine Optical Properties

Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous, Adamantine, Pearly
-
0.01
-
1.552-1.562
-
monoclinic
0.009
TransparentUlrich Henn and Claudio C. Milisenda
 
Vitreous
colorless.
0.70
Transparent, Translucent, Transparent to translucent
1.543-1.564
Biaxial/+
Triclinic
0.007-0.011
Transparent

Beryllonite and Andesine Optic Character

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

Similar to their colors, Beryllonite and Andesine 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.