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Datolite and Taaffeite Optical Properties


Taaffeite and Datolite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
NilArthur Thomas   
Weak   

Dispersion
0.02   
23
0.02   
18

Transparency
Transparent   
Gemmological Tables (2004) More from other references   

Refractive Index
1.621-1.675   
1.70-1.73   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Hexagonal   

Birefringence
0.044   
0.055   

Clarity
Transparent   
Color grading system   

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Datolite and Taaffeite Optic Character

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

Similar to their colors, Datolite and Taaffeite 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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