Sonolite and Emerald Optical Properties

Sonolite

Emerald

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1 Optical Properties

1.1 Luster

Vitreous

1.2 Pleochroism

Not Available

Strong dichroism: yellow green Lazzarelli

1.3 Dispersion

NA0.01

0.007 1

1.4 Transparency

TransparentAnthony et al, Handbook of mineralogy (2001)

Transparent, Translucent, Transparent to translucent

1.5 Refractive Index

1.763-1.7931.565-1.602

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

Not Available

Hexagonal

1.8 Birefringence

Not Available0.0040-0.0070

0 0.296

1.9 Clarity

TransparentAnthony et al

Color grading system

Sonolite and Emerald Optic Character

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

Similar to their colors, Sonolite and Emerald 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, Sonolite is Handbook of mineralogy (2001) and TransparentAnthony et al while Sonolite is Handbook of mineralogy (2001) and TransparentAnthony et al in appearance.