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Corundum and Citrine Optical Properties


Citrine and Corundum Optical Properties


Optical Properties

Luster
Adamantine, Vitreous   
Vitreous   

Pleochroism
None   
Natural: weak; yellow light yellow.   

Dispersion
0.02   
21
0.01   
27

Transparency
Transparent, Translucent   
Transparent   

Refractive Index
1.758-1.780   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Trigonal   

Birefringence
0.007-0.010   
0.009   

Clarity
Gemmological Tables (2004) More from other references   
Transparent   

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Corundum and Citrine Optic Character

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

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

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