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Allanite and Citrine Optical Properties


Citrine and Allanite Optical Properties


Optical Properties

Luster
Not Available   
Vitreous   

Pleochroism
Not Available   
Natural: weak; yellow light yellow.   

Dispersion
Not Available   
0.01   
27

Transparency
Not Available   
Transparent   

Refractive Index
1   
1.544-1.553   

Optic Character
Not Available   
Not Available   

Crystal System
Not Available   
Trigonal   

Birefringence
0.013-0.036   
0.009   

Clarity
Not Available   
Transparent   

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<< Physical Properties

Allanite and Citrine Optic Character

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

Similar to their colors, Allanite 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, Allanite is Not Available while Allanite is Not Available in appearance.

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