Emerald and Titanite Optical Properties

Emerald

Titanite

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Optical Properties

Luster

Vitreous

Subadamantine, Resinous

Pleochroism

Strong dichroism: yellow green Lazzarelli

Strong: X = nearly colorless; Y = yellow to green; Z = red to yellow-orange

Dispersion

0.010.05

0.005 1

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Transparency

Transparent, Translucent, Transparent to translucent

Refractive Index

1.565-1.6021.885-1.990

1 3.25

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Optic Character

Crystal System

Hexagonal

monoclinic

Birefringence

0.0040-0.00700.105-0.135

0 0.296

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Clarity

Emerald and Titanite Optic Character

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

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