Emerald and Clinohumite Optical Properties

Emerald

Clinohumite

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Resinous

1.2 Pleochroism

Strong dichroism: yellow green Lazzarelli

Colorless

1.3 Dispersion

0.010.02

0.007 1

1.4 Transparency

Transparent, Translucent, Transparent to translucent

Transparent, Translucent

1.5 Refractive Index

1.565-1.6021.623-1.728

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Hexagonal

monoclinic

1.8 Birefringence

0.0040-0.00700.028

0 0.296

1.9 Clarity

Color grading system

Transparent

Emerald and Clinohumite Optic Character

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

Similar to their colors, Emerald and Clinohumite 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.