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Riesling Beryl
Riesling Beryl

Tortoiseshell
Tortoiseshell



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Riesling Beryl
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Tortoiseshell

Riesling Beryl and Tortoiseshell Optical Properties

Optical Properties

Luster

-
-

Pleochroism

Strongly dichroicMartin H. Read
-

Dispersion

0.010.01
0.005 1
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Transparency

-
-

Refractive Index

1.591.540-1.560
1 3.25
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Optic Character

-
-

Crystal System

-
-

Birefringence

0.004-0.010-9999
0 0.296
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Clarity

-
OpaqueUlrich Henn and Claudio C. Milisenda

Riesling Beryl and Tortoiseshell Optic Character

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

Riesling Beryl and Tortoiseshell Transparency

Similar to their colors, Riesling Beryl and Tortoiseshell 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, Riesling Beryl is while Riesling Beryl is in appearance.