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Augite
Augite

Emerald
Emerald



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Augite
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Emerald

Augite and Emerald Optical Properties

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Optical Properties

Luster

Vitreous, Resinous
Vitreous

Pleochroism

Pale green
Strong dichroism: yellow green Lazzarelli

Dispersion

0.020.01
0.005 1
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Transparency

Transparent, Translucent
Transparent, Translucent, Transparent to translucent

Refractive Index

1.671-1.7741.565-1.602
1 3.25
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Optic Character

-
-

Crystal System

Monoclinic Prismatic H-M Symbol (2/m) Space Group: C 2/c
Hexagonal

Birefringence

-99990.0040-0.0070
0 0.296
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Clarity

Transparent
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Augite and Emerald Optic Character

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

Augite and Emerald Transparency

Similar to their colors, Augite 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, Augite is Transparent and Translucent while Augite is Transparent and Translucent in appearance.