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Emerald and Adamite Optical Properties


Adamite and Emerald Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Strong dichroism: yellow green Lazzarelli   
NilArthur Thomas   

Dispersion
0.01   
26
Not Available   

Transparency
Transparent, Translucent, Transparent to translucent   
Transparent   

Refractive Index
1.565-1.602   
1.708-1.722   

Optic Character
Not Available   
Biaxial/+   

Crystal System
Hexagonal   
Orthorhombic   

Birefringence
0.0040-0.0070   
0.031-0.050   

Clarity
Color grading system   
Transparent   

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Emerald and Adamite Optic Character

Emerald and Adamite optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Emerald and Adamite 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 Adamite 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. Adamite has Biaxial/+ character.

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Emerald and Adamite Transparency

Similar to their colors, Emerald and Adamite 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.

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