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Beryl
Beryl

Papagoite
Papagoite



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Beryl
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Papagoite

Beryl and Papagoite Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

Weak to distinct
Trichroic

Dispersion

0.010.01
0.005 1
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Transparency

Transparent, Transparent to opaque
Transparent

Refractive Index

1.560-1.6041.607-1.672
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
monoclinic

Birefringence

0.0040-0.00700.065
0 0.296
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Clarity

Transparent
Transparent

Beryl and Papagoite Optic Character

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

Beryl and Papagoite Transparency

Similar to their colors, Beryl and Papagoite 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, Beryl is Transparent and Transparent to opaque while Beryl is Transparent and Transparent to opaque in appearance.