Emerald and Serendibite Optical Properties

Emerald

Serendibite

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Strong dichroism: yellow green Lazzarelli

visible

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Gemmological Tables (2004) More from other references

1.5 Refractive Index

1.565-1.6021.696-1.702

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Triclinic

1.8 Birefringence

0.0040-0.00700.005

0 0.296

1.9 Clarity

Color grading system

TransparentUlrich Henn and Claudio C. Milisenda

Emerald and Serendibite Optic Character

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

Similar to their colors, Emerald and Serendibite 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, Emerald is Translucent, Transparent and Transparent to translucent while Emerald is Translucent, Transparent and Transparent to translucent in appearance.