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Realgar and Falcons Eye Optical Properties


Falcons Eye and Realgar Optical Properties


Optical Properties

Luster
Not Available   
Not Available   

Pleochroism
Nearly colorless to pale golden yellowAnthony et al   
Not Available   

Dispersion
Not Available   
None   

Transparency
Gems   
Gemstones of the world (2001)   

Refractive Index
2.538-2.704   
1.534-1.540   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Not Available   

Birefringence
0.166   
Not Available   

Clarity
Gems   
Gemstones of the world (2001)   

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<< Physical Properties

Realgar and Falcons Eye Optic Character

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

Similar to their colors, Realgar and Falcons Eye 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, Realgar is Gems while Realgar is Gems in appearance.

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