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Emerald
Emerald

Ulexite
Ulexite



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Emerald
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Ulexite

Emerald and Ulexite Optical Properties

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Optical Properties

Luster

Pleochroism

Dispersion

Transparency

Refractive Index

Optic Character

Crystal System

Birefringence

Clarity

 
Vitreous
Strong dichroism: yellow green Lazzarelli
0.01
Transparent, Translucent, Transparent to translucent
1.565-1.602
-
Hexagonal
0.0040-0.0070
-
 
-
-
0.06
Transparent
1.491-1.520
-
-
0.029
Transparent

Emerald and Ulexite Optic Character

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

Emerald and Ulexite Transparency

Similar to their colors, Emerald and Ulexite 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 while Emerald is in appearance.