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Beryl
Beryl

Rutile
Rutile



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Beryl
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Rutile

Beryl and Rutile Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Adamantine

Pleochroism

Weak to distinct
Weak to distinct brownish red-green-yellow

Dispersion

0.010.33
0.005 1
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Transparency

Transparent, Transparent to opaque
Transparent, Translucent

Refractive Index

1.560-1.6042.609-2.903
1 3.25
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Optic Character

-
-

Crystal System

Hexagonal
tetragonal

Birefringence

0.0040-0.00700.296
0 0.296
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Clarity

Transparent
Transparent

Beryl and Rutile Optic Character

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

Similar to their colors, Beryl and Rutile 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.