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Datolite and Sard Optical Properties


Sard and Datolite Optical Properties


Optical Properties

Luster
Vitreous   
Waxy   

Pleochroism
NilArthur Thomas   
AbsentWalter Schumann   

Dispersion
0.02   
23
None   

Transparency
Transparent   
Translucent   

Refractive Index
1.621-1.675   
1.535-1.539   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Not Available   

Birefringence
0.044   
0.008-0.010   

Clarity
Transparent   
Translucent   

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Datolite and Sard Optic Character

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

Similar to their colors, Datolite and Sard 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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