Riesling Beryl and Euclase Optical Properties

Riesling Beryl

Euclase

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1 Optical Properties

1.1 Luster

Not Available

Vitreous

1.2 Pleochroism

Strongly dichroicMartin H. Read

Weak: colorless-(greenish) yellow

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Not Available

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.591.650-1.677

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Monoclinic Prismatic H-M Symbol (2/m) Space Group: P 21/a

1.8 Birefringence

0.004-0.0100.019-0.025

0 0.296

1.9 Clarity

Not Available

TransparentUlrich Henn and Claudio C. Milisenda

Riesling Beryl and Euclase Optic Character

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

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Riesling Beryl and Euclase Transparency

Similar to their colors, Riesling Beryl and Euclase 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 Not Available while Riesling Beryl is Not Available in appearance.