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Benitoite and Citrine Optical Properties


Citrine and Benitoite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
O = colorless; E = purple   
Natural: weak; yellow light yellow.   

Dispersion
0.04   
11
0.01   
27

Transparency
Transparent   
Transparent   

Refractive Index
1.757-1.804   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Hexagonal   
Trigonal   

Birefringence
0.047   
0.009   

Clarity
Transparent   
Transparent   

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Benitoite and Citrine Optic Character

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

Similar to their colors, Benitoite 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, Benitoite is Transparent while Benitoite is Transparent in appearance.

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