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Ammolite and Anorthite Optical Properties


Anorthite and Ammolite Optical Properties


Optical Properties

Luster
Silky, Vitreous   
Vitreous   

Pleochroism
None   
colorless.   

Dispersion
Not Available   
Not Available   

Transparency
Not Available   
Transparent   

Refractive Index
1.520-1.670   
1.575-1.588   

Optic Character
Not Available   
Not Available   

Crystal System
Trigonal   
Triclinic   

Birefringence
0.135-0.145   
0.012-0.013   

Clarity
Not Available   
Transparent   

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<< Physical Properties

Ammolite and Anorthite Optic Character

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

Similar to their colors, Ammolite and Anorthite 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, Ammolite is Not Available while Ammolite is Not Available in appearance.

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