Emerald and Shattuckite Optical Properties

Emerald

Shattuckite

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1 Optical Properties

1.1 Luster

Vitreous

Silky

1.2 Pleochroism

Strong dichroism: yellow green Lazzarelli

X = very pale blue; Y = pale blue; Z = deep blue

1.3 Dispersion

0.01NA

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Translucent

1.5 Refractive Index

1.565-1.6021.752-1.815

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

Orthorhombic

1.8 Birefringence

0.0040-0.00700.063

0 0.296

1.9 Clarity

Color grading system

Translucent

Emerald and Shattuckite Optic Character

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

Similar to their colors, Emerald and Shattuckite 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.