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Datolite and Ammolite Optical Properties


Ammolite and Datolite Optical Properties


Optical Properties

Luster
Vitreous   
Silky, Vitreous   

Pleochroism
NilArthur Thomas   
None   

Dispersion
0.02   
23
Not Available   

Transparency
Transparent   
Not Available   

Refractive Index
1.621-1.675   
1.520-1.670   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
0.044   
0.135-0.145   

Clarity
Transparent   
Not Available   

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Datolite and Ammolite Optic Character

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

Similar to their colors, Datolite and Ammolite 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, Datolite is Transparent while Datolite is Transparent in appearance.

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