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Citrine and Purpurite Optical Properties


Purpurite and Citrine Optical Properties


Optical Properties

Luster
Vitreous   
Not Available   

Pleochroism
Natural: weak; yellow light yellow.   
StrongArthur Thomas   

Dispersion
0.01   
27
Not Available   

Transparency
Transparent   
TranslucentWalter Schumann, Gemstones of the world (2001) More from other references   

Refractive Index
1.544-1.553   
1.85-1.92   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Orthorhombic   

Birefringence
0.009   
0.070   

Clarity
Transparent   
TranslucentWalter Schumann   

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Citrine and Purpurite Optic Character

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

Similar to their colors, Citrine and Purpurite 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, Citrine is Transparent while Citrine is Transparent in appearance.

Semi Precious

Semi Precious


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